Aplanatism
[医] 消球[面]差
🗣️ 情景例句
I think it looks great, thank you.
我觉得它看起来不错， 谢谢！
You have a younger brother, don't you?
你有个弟弟，是吗？
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。