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1·The city should seal off those tunnels.

这个城市应该封闭那些隧道。

2·Freezing rain can seal off your car and lock you inside.

冻雨会封住你的车，把你锁在车里。

3·But we shouldn't fall and seal off ourselves.

但是我们应该堕落，更不能自我封闭。

4·With this you can temporarily seal off any kind of evil.

用这个您可以暂时封住任何妖魔。

5·The main function of Linclion pump is to seal off the lubricator.

林肯泵主要作用是密封注油头。

6·A variety of schemes to either block up or seal off the blowout preventer are in development.

多种封闭或密封防喷装置的方案也在构思之中。

7·A device used on the outside of the casing of a well to seal off formations or to protect certain zones.

为封堵地层或保护某些层段在井内套管外面所用的装置。

8·Spread out the beancurd sheets and spoon in some filling mixture. Roll up and seal off with some beaten egg.

将一片腐皮摊开后舀入适量混合馅料，然后包卷起来，用少许蛋液修口。

9·MicroRNAs could be used to seal off human cells from disease-causing viruses, or to disable viruses that gain entry.

小分子核糖核酸可以用来封闭人体细胞，使之免受致病病毒的侵扰，或者使病毒丧失侵入细胞的能力。

10·The scientists discovered the workings of telomerase, an enzyme that produces tiny units of DNA that seal off the tips of chromosomes.

三位科学家发现了端粒的工作机理，这种(酉每)可以产生DNA的微小部分，包裹染色体的顶端。

封闭

1·The city should seal off those tunnels.

这个城市应该封闭那些隧道。

2·MicroRNAs could be used to seal off human cells from disease-causing viruses, or to disable viruses that gain entry.

小分子核糖核酸可以用来封闭人体细胞，使之免受致病病毒的侵扰，或者使病毒丧失侵入细胞的能力。

3·But we shouldn't fall and seal off ourselves.

但是我们应该堕落，更不能自我封闭。