Once you've broken the seal of a bottle there's no way you can put it back together again.

一旦你撕开瓶子的封口,就没法将它重新合上。

《柯林斯英汉双解大词典》

She told us to glue and seal the back of envelopes.

她叫我们用胶水把信封的背面封好。

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If you like, move on to the Seal Centre first and then go back when things are quieter, towards the end of the day.

如果你愿意，可以先去海豹中心，直到一天即将结束、比较安静的时候再回来。

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Penn State's Ed Ruth and Quentin Wright won titles in back-to-back matches to seal the fourth national crown for the Nittany Lions and their third under Sanderson.

WSJ: Cornell's Dake 1st to win 4 titles at 4 weights

The win made them the first team since Manchester City in 2000 to seal back-to-back promotions from League One to the Premier League in two years.

BBC: Norwich City Premier League promotion to boost economy

Luke Dorn pounced on an horrendous error from Saints full-back Paul Wellens to seal the points.

BBC: Castleford 30-24 St Helens