Reflection doppler
[电] 反射多普勒
🧩 词语组成解析
a. （奥地利物理学家）多普勒的
🗣️ 情景例句
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
Who laughed a while ago?
刚才谁在笑？
It is clear that the cat has eaten it!
很明显，是猫偷吃的！