🧩 词语组成解析
[医] 芹属
n. 杜尔塞（河流名）；甜酒（酒的种类）
🗣️ 情景例句
Why not?
为什么不想？
Me too. I was hoping we could eat here tonight, but it looks like that's out of the question.
我也这么想。我原本希望我们能在这儿吃晚饭，但现在看来是不成了。
The question was, which one?
问题是，哪一种气体导致火灾呢？