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
How about some bacon?
来点咸肉怎么样？
Pleasing everybody is pleasing nobody.
讨好每个人，人人不讨好。
After I had sat down, he said that business was very bad.
待我坐下后，他说生意非常不景气。