发情期 (fā qíng qī) — (of animals) estrus, heat period

Definition

A biology term for the period when an animal is fertile and ready to mate (in heat / estrus). It refers to animals, not humans, and is far more formal/scientific than everyday words like 来例假.

noun
(of animals) estrusheat period

Examples

  • 发情期
    Zhè zhī māo zhèng zài fā qíng qī qī.
    This cat is in heat.
  • 发情期
    Dòng wù de fā qíng qī qī tōng cháng hěn duǎn.
    Animals' heat periods are usually very short.
  • 发情期
    Kē xué jiā yán jiū le hóu zi zài fā qíng qī qī de xíng wéi.
    Scientists studied the behavior of monkeys during estrus.
Appears in

Browse more HSK 7-9 words or search the full 43,000-word dictionary.