Flapping
[计] 抖动
✅ 同义词
🗣️ 情景例句
You haven't changed a bit.
你们一点都没有变。
I think that should do it.
我想这样就可以了。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。