Doppler effect
[化] 多普勒效应
🧩 词语组成解析
a. （奥地利物理学家）多普勒的
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
What's your plan for the summer holiday?
暑假计划干什么？
Which would you like?
您喜欢哪种？