Convexoconcave lens
[医] 凹凸透镜
🏥 医学释义
凸凹透镜
🧩 词语组成解析
[医] 凸凹的
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
Look, they have a special offer on leather shoes.
看，他们这儿皮鞋有特殊优惠。
I was not aware that I was in danger.
我不知道自己处于危险中。
That's a good idea! Why not? Let's go.
好主意！为什么不呢？我们走吧。