Pitprop
n. 坑木, 坑道支柱
🗣️ 情景例句
Will it take long?
要很久吗？
I was 10 minutes late.
我迟到了五分钟。
I live in a tall building in the middle of the city.What about you?
我住在这个城市中心的一幢高楼里。你呢？