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1·Following a telephone call to the police from an anonymous caller, hundreds of shoppers were shepherded out of the store while roads in the area were sealed off.

在接到匿名电话报警后，数百名购物者被带出商店，该地区的道路也被封锁。

2·Windows are usually sealed off.

窗户通常是封闭的。《柯林斯英汉双解大词典》

3·The areas are sealed off and ringed by troops.

这一地区被封锁了，被军队包围了。《柯林斯英汉双解大词典》

4·Police and troops sealed off the area after the attack.

警察和军队在袭击发生后封锁了该地区。《柯林斯英汉双解大词典》

5·Police have sealed off the runway and say it is unclear if it was an accident or an attempted robbery.

警方已经封锁了跑道，并表示目前还不清楚这到底是一起事故还是抢劫未遂。

6·Organizers sealed off the city center.

组织者封闭了市中心。

7·I send a love letter, sealed off with your kiss.

为我寄上一封情书，用你的吻封上信口。

8·It's strange. Why is this stone table sealed off?

奇怪。这张石桌怎么被围起来了呀？

9·This whole area is sealed off in case the man get away.

这一整个区域都封锁起来了，以免这个男人逃跑。

10·When all air has been removed, the vessel is sealed off.

把全部空气抽走后，将容器密封起来。