egg-laying mammals

常见例句

双语例句

• The platypus and the echidna are egg-laying mammals.
  鸭嘴兽和针鼹是产卵哺乳动物。
• They are the only two egg-laying mammals in the world.
  它们是世界上唯一的两种产卵的哺乳动物。
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• Chickens were included to represent egg-laying animals, such as extinct reptiles, that passed on much of their DNA to the platypus and other mammals in the course of evolution.
  鸡被作为卵生动物的代表，一些已经灭绝的爬行动物可能在进化过程中将基因传给了鸭嘴兽和其他哺乳类。

原声例句

• Echidnas are part of a group of egg-laying mammals called monotremes.
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