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
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
Who wrote that song?
那支歌曲谁写的？
I'm very proud of you.
我为你感到非常骄傲。