osmeterium / ˌɒz mɪˈtɪər i əm /

📖毕业后词汇桂圆渗透率锇酸钠锇酸

osmeterium 的定义

n. 名词 noun

plural os·me·te·ri·a [oz-mi-teer-ee-uh]. /ˌɒz mɪˈtɪər i ə/.

  1. a glandular process on the first thoracic segment of many caterpillars that emits a noxious odor to ward off predators.