胎たい生せい動どう物ぶつ

noun

viviparous animal

A biological term for animals that give birth to live young, as opposed to laying eggs. Used in scientific contexts.

• 哺ほ乳にゅう類るいは胎たい生せい動どう物ぶつの代だい表ひょう例れいです。

  Mammals are a typical example of viviparous animals.