seal

释义

n. 印章, 封条, 海豹, 海豹皮, 火漆, 封蜡, 玺, 保证, 批准, 象征, 标志\nvt. 封闭, 盖印, 盖章\nvi. 猎海豹 seal of 证明；保证 mechanical seal [机]机械密封 oil seal 油封

例句

The window was sealed shut.

这扇窗户被封了起来。

Dried milk is kept in hermetically sealed (= very tightly closed ) containers.

奶粉储藏在完全密封的容器里。