Holing
[采矿]掏槽落煤法, [建]石板瓦钻孔
🗣️ 情景例句
Now the hard work begins.
艰苦的工作现在开始了。
You are probably right.
你也许是对的。
I've read about it,but I'd like to know more about it.
我已经知道了一点儿，但我还想多了解一些。