Planoconvex lens
[医] 平凸镜片, 平凸透镜
🧩 词语组成解析
[医] 平凸的
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
You're ahead.
你领先呢。
Between two stools one falls to the ground.
脚踏两头要落空。
The undulating waves of the open sea are generated by three natural causes:
海浪是由三个自然因素形成的：