Aup
[计] 可接受使用策略
🗣️ 情景例句
Did you have a good time today?
今天玩得开心吗？
We kept on discussing the problem for four hours.
我们持续讨论那个问题达四小时。
Yes. Did you listen to the weather report on the radio?
是的。你收听了电台的天气预报吗？