Radioecho
无线电回波, 无线电反射信号
🗣️ 情景例句
I'm behind in my work.
我的工作进度落后了。
If he doesn't accompany him, I will.
如果他不，我将陪伴他。
In the nineteenth century, a novelist would bring his story to a conclusion by presenting his readers with a series of coincidences -- most of them wildly improbable.
在19世纪，小说家常在小说结尾处给读者准备一系列的巧合——大部分是牵强附会，极不可能的。