adj.氣密的；密封的；不漏氣的

One answer is to use the energy to compress air, which can be squirrelled away in hermetically sealed underground caverns. 解決這一問題的方法之一是利用風能來壓縮空氣，使空氣進入氣密的地下儲氣站。

Separation of the water supply from the air inlet is accomplished by means of a diaphragm seal. 供水與空氣的隔離是通過采用隔膜密封的方法實現(xiàn)的。

When not in use, gently rub the surface with cotton or tissue to remove dirt and moisture.Placed in sealed bags or boxes to avoid contact with air. 不用時可用棉布或面紙輕拭表面，清除水份和污垢，將它置放于密封的袋子或盒子中，避免與空氣接觸。

n.不透氣；氣密；密封