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These 20-tonne beasts were the largest mammals ever to exist.
这些20吨的野兽曾是当时体型最大的哺乳动物。
《How To Grow A Planet》《植物之歌》
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Although tiny, these weapons led to one of the biggest extinctions of mammals in Earth's history.
虽然渺小，这些利器却曾导致史上哺乳动物灭绝的最严重事件。
《How To Grow A Planet》《植物之歌》
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Rabbits do have a respiratory system that would support great size. And on a side note, they are one of the few mammals whose scrotum is in front of the penis.
兔子倒是有呼吸系统支撑巨大的体型，并且兔子是少数哺乳动物中阴囊长在阴茎前的。
《The Big Bang Theory Season 3》《生活大爆炸 第三季》
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Hey, Manny, Diego, my bad mammals-jammals. Wanna give a sloth a hand?
蛮尼!狄亚哥! 我的道上兄弟，帮帮可怜的树懒吧?
《Ice Age: The Meltdown》《冰川时代2》
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In North America alone, grasses led to the extinction of over half of all plant-eating mammals.
仅在北美地区，草类所致使的灭绝事件就达全部草食动物的半数以上。
《How To Grow A Planet》《植物之歌》
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Officers Grizzoli, Fangmeyer, Delgato. Your team take missing mammals from the Rainforest District.
灰熊利，牙迈尔，德尔加多警官，你们负责热带雨林区的失踪案。
《Zootopia》《疯狂动物城》
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Will more mammals go savage? What is being done to protect us? Have you considered a mandatory quarantine on predators?
会有更多动物兽性大发吗？您将采取何种措施保护市民？您会考虑强制隔离食肉动物吗？
《Zootopia》《疯狂动物城》
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Ladies and gentlemammals, 14 mammals went missing and all 14 have been found by our newest recruit, who will speak to you in a moment.
雌性雄性们，失踪的14名动物现已全数找回，找到他们的是下面这位新警官。
《Zootopia》《疯狂动物城》
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Marine mammals generally swim with the current.
海洋哺乳动物一般顺水而游。
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Carnivores are usually socially complex mammals.
食肉动物通常是有着复杂的社会关系的哺乳动物。
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Only about five percent of mammals are monogamous.
只有约百分之五的哺乳动物是单一配偶的。
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It has been suggested that mammals took over from dinosaurs 65 million years ago.
有人提出哺乳动物是在6 500万年前取代恐龙的。
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Humans experience a delayed maturity; we arrive at all stages of life later than other mammals.
人类经历着一个迟来的成熟；我们进入生命各个阶段的时间比其他哺乳动物要晚。
1. 《无敌学生博识馆系列3:亲近哺乳动物(上)》以精致的细密画展现出各种动物的生活习性与行为模式，画作栩栩如生，文字说明翔实，是一套实用的自然动物园全集。编排方式为双页翻阅式，查阅容易，一目了然。全书内容深入浅出，叙述生动，有动物名称、体长、特征以及各式趣味栏目等，适合全家人阅读，尤其适合学生读者阅读，是孩子进入动物世界的最佳捷径。《无敌学生博识馆系列3:亲近哺乳动物(上)》由陈会坤撰稿。