Look, what huge bolls these are!瞧这棉桃的个儿!Boll weevil : grayish weevil that lays its eggs in cotton bolls destroying the cotton.略带灰色的象鼻虫,在棉铃上产卵以破坏棉花.After a couple of weeks, almost all the infected plants bore cotton bolls...

bolls的音标：...

n.圆荚，铃( boll的名词复数 )...