mammal
/ˈmæml/
n.
标准词条
CET-4
一句话记住
哺乳动物
释义与例句
n.
哺乳动物
a warm-blooded animal that has hair or fur and feeds its babies with milk
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Whales are mammals, even though they live in the sea.
鲸虽然生活在海里,却是哺乳动物。
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Most mammals give birth to live young and feed them on milk.
大多数哺乳动物直接产下幼崽,并用乳汁哺育。
展开其余 1 条例句
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The reserve protects more than fifty species of mammal.
该保护区保护着五十多种哺乳动物。
词源与构词
记忆钩子
mammal 源自拉丁语“乳房”,看到 mamm- 可联想到“哺乳”;鲸、蝙蝠和人类都是哺乳动物。
词族与关联词
词族(同一词根派生出的不同词性或形式)
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mammalian 哺乳动物的形容词,常用于生物学语境,如 mammalian species、mammalian brain。
易混词(形近或义近,注意区别)
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reptile 爬行动物mammal 是恒温、有毛发并用乳汁哺育幼崽的动物;reptile 是冷血、体表有鳞片、多产卵的动物。正误对比:a whale is a mammal(正确)/a whale is a reptile(错误)。A snake is a cold-blooded reptile that needs sunlight to warm its body. 蛇是冷血的爬行动物,需要晒太阳来升高体温。
常见搭配
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marine mammals 海洋哺乳动物The centre rescues injured marine mammals such as seals and dolphins. 该中心救助海豹、海豚等受伤的海洋哺乳动物。
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land mammals 陆生哺乳动物Camels are among the few land mammals that can go without water for weeks. 骆驼是少数能数周不饮水的陆生哺乳动物之一。