Planoconcave lens
[医] 平凹镜片, 平凹透镜
🏥 医学释义
平凹透镜，平凹镜片
🧩 词语组成解析
[医] 平凹的
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
I can see well both day and night.
我白天晚上都能看得很清楚。
What shall I send him for his the New Year?
我要送他什么东西作为新年礼物？
I had a little accident last Sunday.
上星期天我出了个小事故。