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
My family can survive on the produce from our hobby farm.
业余时间我们一家人在小农场的劳动成果足够一家人维持生计了。
How deep?
多深？
I joined in the march and we were marching peacefully along and then the police came up.
我参加了游行，我们以和平的方式往前行进，这时警察突然来了。