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
Is the tip included in the bill?
账单里包括小费吗？
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
He'll return to London the week after next.
再下个星期他将返回伦敦。