Gas tightness
[化] 气密性; 不透气性
🧩 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）;
n. 坚固, 紧密\\n[化] 紧度; 严密度
🗣️ 情景例句
I didn't expect you to do such a good job.
没想到你做得这么好。
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
torn by the noise of the taxicabs, lorries and buses, and thronged ceaselessly by great crowds.
街道上充斥着汽油味和有毒气体，出租汽车、卡车、公共汽车的噪音刺耳难忍，络绎不绝的人群挤来挤去。