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
Don't talk so loud, you may be overheard.
别这么大声说话，别人会听见的。
Why didn't you contact me?
为什么你不和我联系？
It looks like we have problem with the shipment.
货有问题哦。