Biconcave lens
[医] 双凹透镜
🏥 医学释义
双凸透镜
🧩 词语组成解析
a. 双凹的\\n[医] 双凹[形]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
It was so exciting to meet her again after so many years.
多年以后和她再相遇是多么让人激动啊!
A horse that will not carry a saddle must have no oats.
不愿加鞍的马，不得吃燕麦。
The lady was dressed in a blue coat and a large, funny hat.
那位妇女穿着一件蓝色的大衣，戴着一顶大而滑稽的帽子。