| 单词 | cocoon |
| 释义 | cocoon n. & v. --n 1. a a silky case spun by many insect larvae for protection as pupae. b a similar structure made by other animals. 2. a protective covering, esp. to prevent corrosion of metal equipment. --v 1. tr. & intr. wrap in or form a cocoon. 2. tr. spray with a protective coating. Etymology: F cocon f. mod. Prov. coucoun dimin. of coca shell |
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