Topman
n. 地面上做杂务的建筑工人
🗣️ 情景例句
It is. That's why we bought it for you.
是的。这就是我们买给你的原因。
What's so weird about that?
那有什么好奇怪的？
The question was, which one?
问题是，哪一种气体导致火灾呢？