Gettering
采煤, 采掘工作, 收气, 吸气, 吸气法(真空技术)
🗣️ 情景例句
Probably a lot of advertising and bills.
大概是一大堆广告和帐单。
There is no longer any communication between them.
他们之间好久不说话了。
it would be more like that of a bluebottle buzzing round the room;
那就像一只嗡嗡叫的绿头苍蝇在屋内飞行的轨迹，