coleoptile / ˌkoʊ liˈɒp tɪl, ˌkɒl i- /

📖毕业后词汇椰树纤维椰树藤椰树椰树藤条

coleoptile 的定义

n. 名词 noun

Botany.

  1. the first leaf above the ground, forming a sheath around the stem tip.