Understable
欠稳定的
🗣️ 情景例句
We've been driving for hours with no gas station in sight.
我们开车开了好久也没有看到一个加油站。
Yes, this is Shen speaking.
是的，我姓沈。
I feel like going to a museum. It's too wet to go walking around London.
我想去博物馆。我们又不能绕着伦敦到处走走，地太湿了。