Serrodyning
锯差
🗣️ 情景例句
How do I do that?
我该办什么手续呢？
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
Well, let's count them. One, two, three, four, …
嗯，咱们来数数。1，2，3，4……