Doppler's phenomenon
[医] 多普勒氏现象(物理)
🧩 词语组成解析
🗣️ 情景例句
That's ridiculous.
太可笑了。
How will you spend the evening?
你晚上干什么？
These days we use a thermos , said Li Lei.
“如今用的是热水瓶了，”李磊说。