Airtight test
[机] 气密试验
🧩 词语组成解析
airtight
['ɛətait]
adj. 不透气的;密封的;<主美口>（防守等）严密的;无懈可击的;
🗣️ 情景例句
How can I reward your help?
我怎样才能报答你的帮助呢？
Did you wash this yourself?
你自己亲自洗了这个？
I think you were a little too high on some of the items.
我想你们有几个项目的价格高了一点。