Concave lens
[化] 凹透镜\\n[医] 凹透镜, 近视镜片
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
lens
[lɛnz]
n. 透镜，镜头;眼睛中的水晶体;隐形眼镜;汽车的灯玻璃;
🗣️ 情景例句
I'm only here two days,
我只有两天时间，
He that would the daughter win,must with the mother first begin.
要想赢得女儿的欢心，必须先从她母亲着手。
When could you make a delivery?
你们什么时候可以交货啊？