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
This is she.
我就是。
If you insist on your original price, I'm afraid you will have little chance to get the business.
如果您坚持原来的价格，恐怕您获得这笔交易的可能性极小。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。