Convexoconcave lens
[医] 凹凸透镜
🏥 医学释义
凸凹透镜
🧩 词语组成解析
[医] 凸凹的
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
Stone has been out of work for three months.
世通已失业三个月了。
Mary cried all night for her great loss.
玛丽因为失去了她最重要的东西，而整晚哭泣。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。