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've been busy all day.
我今天一整天都非常忙。
No. It's only a five-minute walk.
不远，只要走5分钟。
From a heavy gun that was raised, the captain realized that the ship must have been a cruiser.
从捞起的一门大炮来看，船长认为那艘船一定是艘巡洋舰。