Doppler's phenomenon
[医] 多普勒氏现象(物理)
🧩 词语组成解析
🗣️ 情景例句
But when do they do it?
但是什么时候动手术？
What color is your book?
你的书是什么颜色？
He was sent to prison for failing to pay his debts and died in poverty in 1836.
他因无力还债而被捕入狱，最后于1836年在贫困中死去。