| 单词 | 封闭状态 |
| 释义 | 〔coarctation〕The state of being enclosed in an oval, horny case. Used of an insect pupa.封闭状态：封闭在椭圆形角质壳内的状态。用于一虫蛹〔vacuum〕A state of being sealed off from external or environmental influences; isolation.封闭状态：与外界或环境影响隔绝的状态；隔离 |
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