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
We're here to catch our lunch.
我们要在这里钓我们的午餐。
A man is known by the company he keeps.
察其友知其人。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。