| 释义 |
词典释义：
rat
n. 鼠；耗子；卑鄙小人；老是出没游逛于某处的人；常客；女用发垫；告密者；坐探
v. 捕（捉）老鼠；灭鼠；变节；背叛；当工贼；用发垫给…定型
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第三人称单数
rats
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现在分词
ratting
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复数
rats
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过去分词
ratted
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过去式
ratted
短语搭配
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rat race
激烈竞争；你死我活的竞争
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smell a rat
怀疑事情不妙, 感觉情况不对
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sewer rat
褐家鼠
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Wistar rat
威斯塔鼠，（实验用的）大白鼠
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water rat
水鼠
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pack rat
林鼠；收集鼠
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like a drowned rat
像落汤鸡一样
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rat pack
一帮新闻记者及摄影师；食品包
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rat trap
困境；绝境；破旧肮脏、摇摇欲坠的建筑物
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mole rat
鼹形鼠；滨鼠
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rat snake
鼠蛇；捕鼠蛇
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naked mole rat
裸鼢鼠
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brown rat
褐家鼠
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Norway rat
褐家鼠
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black rat
黑家鼠；屋顶鼠；船鼠；HOUSE RAT或ROOF RAT
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bamboo rat
竹鼠
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house rat
黑家鼠；屋顶鼠；船鼠
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kangaroo rat
更格卢鼠
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rat run
住宅区小胡同
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desert rat
沙漠跳鼠
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bandicoot rat
害鼠
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common rat
褐家鼠
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roof rat
黑家鼠；屋顶鼠；船鼠；HOUSE RAT或ROOF RAT
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vesper rat
黄昏鼠；夜鼠
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stick-nest rat
刺巢鼠
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rink rat
冰球迷；冰刷
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rug rat
小孩
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cotton rat
棉鼠
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swamp rat
沼鼠
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cane rat
蔗鼠
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rice rat
稻鼠
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ship rat
黑家鼠；屋顶鼠；船鼠；HOUSE RAT或ROOF RAT
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male rat
雄性老鼠
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female rat
雌鼠
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rat poison
灭鼠药；老鼠药；杀鼠药
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sprague-dawley rat
斯普拉-道来氏大鼠；sd大鼠
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drowned rat
落汤鸡；溺水鼠
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rat out
老鼠出来；扫地出门；告密
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rat cells
大鼠细胞
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wood rat
林鼠；木鼠
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smell rat
觉得可疑；感到不妙
双语例句
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Rats have a variety of viruses that can be deadly to humans.
老鼠身上有很多种会对人类造成致命伤害的病毒。
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The rat was eventually cast aside by friends around him.
这个卑鄙小人最终遭到了周围朋友的唾弃。
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She was encouraged by her parents to rat on the classmate who bullied her.
她在父母鼓励下去告发那个霸凌她的同学。
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Rats carry disease.
老鼠传播疾病
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On the last day of school, you put a rat in the teacher's bag!
上学的最后一天，你把老鼠放进了老师的包里！
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He held his breath as a rat scuttled past.
见一只老鼠跑过，他屏住了呼吸。
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The brown rat has prominent ears and a long scaly tail.
灰鼠长着两只突出的耳朵和一条带鳞片的长尾巴。
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Suddenly the rat cried, "Hooray!"
突然，老鼠大喊了一声：“万岁！”
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But the rat wouldn't listen to her.
但是老鼠不听她的话。
近义词
同根词
词根 rat
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ratty
adj. 像老鼠的；破烂的
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ratter
n. 捕鼠者；叛徒
单词辨析
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老鼠；耗子
mouse一般指体形较小的家鼠。
rat一般指生活在室外体形较大的一种老鼠。
百科
1. rat（radio access technology/Type）是通信术语。
2. rat是特洛伊木马的一个变体，也称为net-hack程序。RAT是一个可以在目标计算机上安装服务器组件的恶意代码。
释义
n.
a rodent that resembles a large mouse, typically having a pointed snout and a long sparsely haired tail. Some kinds have become cosmopolitan and are sometimes responsible for transmitting diseases.
鼠；耗子。
informal a person regarded as despicable, especially a man who has been deceitful or disloyal
〈非正式〉 卑鄙小人（尤指欺诈或变节者）。
[with modifier]N. Amer. a person who is associated with or frequents a specified place
〈北美〉 老是出没游逛于某处的人，常客
US a pad used to give shape and fullness to a woman's hair
〈美〉 （为头发定型做出饱满效果的）女用发垫。
excl.
informal used to express mild annoyance or irritation
〈非正式〉 胡说，去你的（用以表示轻度烦恼，恼怒）。
v.
[usu. as noun ratting](of a person, dog, or cat)hunt or kill rats
（人，狗，猫）捕（捉）老鼠；灭鼠。
informal desert one's party, side, or cause
〈非 正式〉 变节，背叛；当工贼。
[with obj.]US shape (hair) with a rat
〈美〉 用发垫给（头发）定型。
短语动词
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rat on （〈美〉 亦作rat someone out） informal inform on （someone） to a person in a position of authority 告发 men will literally choose death over ratting out another prisoner. 男人们确实宁肯死掉也不愿告发其他囚犯
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break （an agreement or promise） 撕毁（协议）；违背（诺言） he accused the government of ratting on an earlier pledge. 他指控政府不兑现早先的承诺
类似拼写词
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ratn.鼠；耗子；卑鄙小人；老是出没游逛于某处的人；常客；女用发垫；告密者；坐探
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rawadj.生的；未经烹煮的；发红而疼痛的；阴冷的；湿冷的；强烈的；不掩饰的；赤裸裸的；坦诚的；未经处理的
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fatn.脂肪；肥肉；肥胖；脂油；油脂；脂肪酸
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raten.比率；率；价格；费用；速率；速度；费率；进度；不动产税
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eatv.吃
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catn.猫；猫科动物；心地恶毒的女人；爱说人坏话的女人；<俚>家伙，人；<美俚>流动工人；催化式排气净化器（Catalytic Converter的简称）；双体船（Catamaran的简称）
词源
"Old English ræt, probably of Romance origin： reinforced in Middle English by Old French rat. The verb dates from the early 19th cent."
考纲分布
考纲释义
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n. 老鼠; 鼠类
英文释义：
a gnawing animal with brown, black, white, or grayish fur that looks like but is larger than a mouse
真题例句：
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For one thing, they help control the rat and mouse population.
首先，它们有助于抑制老鼠的数量。
[2020年 武汉卷 完形填空]
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Mr Brown brought his 5-year-old son to the museum and created a rat toy.
布朗先生带着他5岁的儿子来到博物馆，做了一个老鼠玩具。
[2020年 连云港卷 阅读理解]
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It has the face and feet of a bird, the body of a rat and the tail of a beaver.
它有鸟的脸和脚，老鼠的身体和海狸的尾巴。
[2018年 贵州省贵阳卷 阅读理解]
考纲分布
考纲释义
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n. 老鼠; 鼠类
英文释义：
a gnawing animal with brown, black, white, or grayish fur that looks like but is larger than a mouse
考纲分布
考纲释义
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n. 老鼠; 鼠类
英文释义：
a gnawing animal with brown; black; white; or grayish fur that looks like but is larger than a mouse
考纲分布
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n (rat race)激烈竞争
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n 老鼠; 鼠类
考纲释义
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n. (rat race)激烈竞争
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n. 老鼠; 鼠类
英文释义：
a gnawing animal with brown, black, white, or grayish fur that looks like but is larger than a mouse
必考短语
考纲分布
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n 老鼠; 鼠类
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n (rat race)激烈竞争
考纲释义
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n. 老鼠; 鼠类
英文释义：
a gnawing animal with brown, black, white, or grayish fur that looks like but is larger than a mouse
真题例句：
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Rats have been shown to engage in multiple forms of reciprocal help and cooperation.
老鼠已经被证明参与了多种形式的互助和合作。
[2020年 英语二 阅读理解A]
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Across 18 trials each, the living rats were 52% more likely on average to set the social robot free than the asocial one.
在每18个试验中，活着的老鼠平均释放社交机器人的可能性比释放非社交机器人高出52%。
[2020年 英语二 阅读理解A]
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During the experiment, the social robot rat followed the living rats around, played with the same toys, and opened cage doors to let trapped rats escape.
在实验中，社交机器鼠跟随活老鼠，玩同样的玩具，打开笼门让被困的老鼠逃走。
[2020年 英语二 阅读理解A]
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n. (rat race)激烈竞争
必考短语
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