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
After a good night's sleep, I'll enjoy breakfast even more.
好好睡一觉， 明早吃早餐会更香。
Have you ever thought about becoming a professional musician?
你曾经考虑了成为一个职业的音乐家吗？
I had one after my lunch.
我是在饭后喝的。