boll weevil

英 [bəʊl 'wiːvɪl] 美 [boʊl 'wiːvəl]

• n. 棉铃象鼻虫

英英释义

Noun:

1. greyish weevil that lays its eggs in cotton bolls destroying the cotton

例句

用作名词 (n.)

1. Gossypol, which is produced by gland cells in the leaves of cotton, is an attractant to the boll weevil.
   棉叶腺胞分泌的棉酚对棉铃象鼻虫是一种引诱剂。