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
Change your clothes, Carl.
把衣服换了， Carl。
Me too. I was hoping we could go to the beach today, but it looks like that's out of the question.
我也这么想，我本来希望我们今天去海边，但看来没戏了。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。