Wcot
[化] 涂壁空心柱
🗣️ 情景例句
What material is this made from?
这是什么材料做的？
If you want to be healthy, you have to stop smoking cigarettes.
如果你要身体健康的话，必须停止抽香烟。
He led them down the mountain.
他带他们下山。