Doppler
a. （奥地利物理学家）多普勒的
🏥 医学释义
多普勒换能器，分娩监护换能器
🗣️ 情景例句
My name is Wang Feng and I'm calling to cancel plane ticket.
我叫王峰，我想取消我预定的飞机票。
If he doesn't play, who will?
如果他不，谁要去玩？
We had a very nice time.
我们过得非常愉快。