| 单词 | 表皮或外皮 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔molt〕To shed periodically part or all of a coat or an outer covering, such as feathers, cuticle, or skin, which is then replaced by a new growth.蜕皮，换毛：分阶段地脱掉部分或全身的皮毛或表面覆盖物，如羽毛、表皮或外皮，随后便为新长出的代替美国传统 |
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