Sst
abbr. 超音速运输机（supersonic transport）
🗣️ 情景例句
I don't buy it.
我可不买你的账。
This is a very pleasant restaurant.
这里是令人舒适的餐厅。
Tickets, please. May I see your ticket please, madam?
请出示车票。夫人，请问我可以看看你的车票吗？