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
Sure. Oh, sorry, Mary, I'd better go now.
可以。哦，抱歉，Mary，我要挂电话了。
Don't make me laugh!
你别笑死人了！
Have you just been to the cinema?
你刚去过电影院吗？