Aplanatic focus
[医] 无球面像差焦点
🧩 词语组成解析
a. [物]等光程的,(透镜)消球差的
focus
['fokəs]
vt.& vi. （使）集中，（使）聚集;调整（镜头，眼睛）焦点[焦距]以便看清;
vt. 调整（眼睛或者镜头的）焦距;集中（光束于）;聚焦，注视;集中注意力;
n. 焦点;影象的清晰度;（活动、注意力、兴趣等的）中心;[医]病灶，病症;
focus, foci 表示”灶台,火苗;中心点,中心”
🗣️ 情景例句
You are coming along well.
你进展得很好。
Sorry, but could you kindly repeat what you just said?
抱歉，你可以重复刚刚所说的吗？
They would have continued to struggle against economic odds and would have lived in obscurity.
这家人会继续为克服经济上的拮据而奋斗，并默默无闻地活下去。