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
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
It is better to be alone than in bad company.
无友要比交坏友好。
He has an old head on young shoulders.
他年轻又有见识。