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
We forgot to turn the oven on.
我们忘了开烤箱开关。
I'm not doing anything right now.
我现在不在做任何事。
The sea bed was scoured with powerful nets and there was tremendous excitement on board went a chest was raised from the bottom.
他们用结实的网把海床搜索了一遍。