Gettering
采煤, 采掘工作, 收气, 吸气, 吸气法(真空技术)
🗣️ 情景例句
Really?
真的？
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
They don't get enough air.
（那样）鱼得不到充足的空气。