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
  1. Whales are mammals, even though they live in the sea.
    鲸虽然生活在海里,却是哺乳动物。
  2. 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
  1. 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)
  • 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)
  • 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
  • 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。
  • 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。