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
I don't know how to solve the problem. Will you help me out?
我不知道该怎么解决这个问题。你能帮我吗？
A good horse often needs a good spur.
好马常要好靴刺。
In another chest, which contained the belongings of a ship's officer, there was an unfinished letter which had been written on March 14th, 1943.
另一只海底沉箱中装的是船上一位军官的财物，其中有一封写于1943年3月14日的信，但没有写完。