Doppler's phenomenon
[医] 多普勒氏现象(物理)
🧩 词语组成解析
🗣️ 情景例句
I can't sing, dance or act, so how can I possibly get into the performing arts?
我不会唱歌、跳舞，不会演戏，怎么能进入娱乐界呢？
The racer's car burst into flames just as he had crawled out.
当赛车手爬出车子后不久，汽车就爆炸燃烧了起来。
I'll knock again, Helen.
海伦，我再敲一次。