Concave mirror
凹镜
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
You see, Richard? Max is welcome here.
你看到了吧， Richard， 他们这儿欢迎Max呢。
Diet cures more than the doctor.
药补不如食补。
He always took off his shoes and threw them on the floor.
他总是脱下鞋子，把它们丢在地板上。