cocoon
US /kəˈkuːn/
UK /kəˈkuːn/

名词
1.
茧
a silky case spun by the larvae of many insects, especially silkworms, to protect themselves in the pupal stage
示例:
•
The caterpillar spun a beautiful cocoon before transforming into a butterfly.
毛毛虫在变成蝴蝶之前,织了一个美丽的茧。
•
The silkworm's cocoon is used to produce silk.
蚕的茧被用来生产丝绸。
动词
在 Lingoland 学习这个单词