Apochromatism
复消色差
🗣️ 情景例句
Thank you for your understanding and cooperation in this matter.
谢谢你们对此事的理解和合作。
Too much spoils, too little is nothing.
过多反坏事，太少不济时。
I know it's not necessary. I want to do it.
我知道不必这样，可是我愿付？/span>