Definition

Examples

• 狗和猫都属于哺乳类。
  Gǒu hé māo dōu shǔyú bǔ rǔ lèi.
  Dogs and cats are both mammals.
• 哺乳类动物用乳汁喂养幼崽。
  bǔ rǔ lèi dòngwù yòng rǔzhī wèiyǎng yòuzǎi.
  Mammals feed their young with milk.
• 鲸鱼虽然是哺乳类，但生活在海里。
  Jīngyú suīrán shì bǔ rǔ lèi, dàn shēnghuó zài hǎi lǐ.
  Although whales are mammals, they live in the sea.