Aplanat
n. [物]消球差透镜
🔁 扩展释义
【化】 消球差透镜; 齐明镜; 不晕镜
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
Have you offered him any candy?
你给他糖果吗？
The secret was spread among the crowd.
秘密在人群当中传播开来。