Civil gas defense
[建] 群众防毒
🧩 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）;
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
My uncle had a heart attack last year.
我的叔叔去年患了心脏病。
The next morning the whole family trooped in to watch the performance.
第二天早晨全家人结队来到起居室看我表演。