Pitprop
n. 坑木, 坑道支柱
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
I like hot weather best.
我最喜欢热天气。
But this phase of our development is now finished.
但这个发展阶段已经结束。