Radioecho
无线电回波, 无线电反射信号
🗣️ 情景例句
But don't you think it'd be a good subject?
你不觉得这是个好题材吗？
The X2500 has the unique feature of providing better data flow with less input time.
这种X2500型的特点就是减少输入时间，使资料更为顺畅。
You'd better finish the work today, and bring it tomorrow.
你最好今天完成这作业，明天把它带来。