cotton boll

• 棉桃

cotton boll的用法和样例：

例句

1. Some cotton bolls have fallen on the ground.
   有些棉桃落在地上了。
2. The cotton bolls burst open, revealing masses of snow-white fibres.
   棉桃绽裂，露出雪白的棉花。
3. Boll rot has been attributed to a wide range of organisms.
   棉铃腐烂是由分布范围广泛的微生物引起的。
4. The cotton grows on the plant as long hairs attached to the seeds inside the boll.
   棉花在植株上作为附着在种籽上的长茸毛在棉铃里生长发育。