seal up

基本解释

One is to try to seal up any obvious cracks and crevices.
其一是密封任何显眼的缺口裂缝。
Some of the research we did studied earphones that completely seal up the ear canal.
经过我们研究，发现有的耳塞能完全密封住耳槽。
I nodded, and Derek the removal man turned back to the van, gave a wave to his driver and went to the back to lift the ramp, close the hatched and seal up the contents of my previous life.
我点点头，搬运工德里克转向货车，对司机摆摆手，然后走到后面抬起活动斜梯，关上车厢门，封存了我之前生活的所有东西。

Let's say you decide to use this rebate to seal up and insulate your attic -- because you want to save electricity, but also because you're tired of a drafty house.
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And it turns out that if producers would actually seal up those leaks, not only would it be great for the environment, but they'd also make money because that's money going out of their pockets from all those leaks.
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