Doppio
（音乐术语）成倍，双重
🗣️ 情景例句
That's understandable.
那是可以理解的。
What's this?
这是什么？
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。