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
Are you sure you are dialing the right number?
你确定你打的号码是对的吗？
Laugh and grow fat.
心宽体胖。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。