boll
n. [植]圆荚；博耳（容量单位）
n. （Boll）人名；（阿拉伯）布勒；（英、法、德、芬、瑞典）博尔
复数 bolls
例句
Farm demonstration work in the south helped to fight the cotton boll weevil .
在南部的农业示范作帮助了对棉花象鼻虫的抗争。
The cotton grows on the plant as long hairs attached to the seeds inside the boll .
棉花长在植物上，就像长毛附着在棉铃里的种子上一样。
In the early years of the century, the boll weevil began devastating the cotton farms in the south.
在上世纪初期，棉铃象甲开始破坏南部的棉花农场。
