Holing
[采矿]掏槽落煤法, [建]石板瓦钻孔
🗣️ 情景例句
Please tell me about your working background.
请告诉我你的工作背景。
Thanks for the advice,but this is something I have to figure out myself.
谢谢忠告，但是这必须由我自己解决。
Leave me alone.
走开。