Gas tight test
[化] 气密试验
🧩 词语组成解析
gas
[gæs]
n. 气体;[矿业] 瓦斯;汽油;毒气;
vt. 加油;毒（死）;
vi. 加油;放出气体;空谈;
int. 该死！（令人气愤的人应即被送毒气室处死）;
tight
[taɪt]
adj. 紧的，牢固的;绷紧的;不漏的;密集的，紧凑的;
adv. 紧紧地;牢固地;
🗣️ 情景例句
and Mom has all these committees she's on.
妈妈又有那么多的小组会议要开。
This part of the country is very mountainous.
这个国家这一部分有很多山。
they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
昆虫会吞食我们的全部庄稼，杀死我们的成群的牛羊。