adj.密封的；不透气的；无懈可击的
The goods are to be sent in airtight package. 这批货物应密封包装运送。
We need an airtight bottle to keep this expensive medicine dry. 我们需要一个密封罐以便使这昂贵的药维持干燥。
Store tea in an airtight container away from strong smells. 把茶叶贮存在不透风的罐子里，避开异味。
He had an airtight alibi for that night. 他有无懈可击的证据证明那一夜他不在犯罪现场。
He can make somebody's will so airtight you can't break it. 他能帮别人把遗嘱写的无懈可击。
n.气密(密封性)
