Harmful gas
[化] 有害气体
🧩 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
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
A barking dog doesn't bite!
吠犬不咬人。