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
My wife wanted me to say thanks to you for your gift last time.
我妻子要我带她谢谢你上次送的礼物。
Three removes are as bad as a fire.
三次搬家犹如一次失火。
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”