Radiodoppler
多普勒无线电技术
🗣️ 情景例句
But I think you two can have a good time together without me.
但我觉得， 我不去你们也会玩得很开心。
Nothing is difficult to the man who will try.
世上无难事，只要人肯试。
Why don't you attend an aerobic class?
你为什么不去参加一个有氧健身班呢？