the offspring of a donkey and a horse (strictly, a male donkey and a female horse), typically sterile and used as a beast of burden
骡，马骡。比较
a person compared to a mule, especially in being stupid or obstinate
笨蛋；顽固的人。
〈非正式〉 毒品送货人。
a small tractor or locomotive, typically one that is electrically powered
（尤指电动的）小型拖拉机；小型电动机车。
a hybrid plant or animal, especially a sterile one
（尤指不育的）杂交动物；杂交植物。
any of several standard cross-bred varieties of sheep
杂种羊。
(亦作
（1779年由塞缪尔·克朗普顿发明的）走锭纺纱机。
a coin with the obverse and reverse of designs not originally intended to be used together
（正、反两面的图案不相配的）错铸硬币。
a slipper or light shoe without a back
拖鞋；拖鞋式轻便鞋。
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mulen.骡；马骡；杂交动物；杂交植物；走锭纺纱机；错铸硬币；拖鞋；拖鞋式轻便鞋；笨蛋
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rulen.规则；条例；细则；尺；直尺；计算尺；统治；原则；法则
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maleadj.男性的；雄性的；凸形的；插入的
"Old English
