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
Could you please say that again?
能再重复一遍吗？
Actions speak louder than words.
事实胜于雄辩。
She was choosing a book. He told her about the accident.
她正在选书。他将发生的情况告诉了她。