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
We have a mideweek special. It's 12 dollars a day, 12 cents a mile, plus gas.
我们从星期二到星期四都有特价。一天12元，每英里加12分，含汽油在内。
So I will receive and sign it overnight.
那么，我明天就可以收到并且签上名了。
After a wonderful meal, they told stories and sang songs by the campfire.
他们美美地吃了一顿饭后，就围在营火旁讲起了故事，唱起了歌。