Biconcave lens
[医] 双凹透镜
🏥 医学释义
双凸透镜
🧩 词语组成解析
a. 双凹的\\n[医] 双凹[形]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
but where would I fit into the plan?
但是我在这项计划中怎么定位呢
You can stay as long as you pay the rent on time.
只要你按时交房租，你就能住这儿。
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。