Apochromatism
复消色差
🗣️ 情景例句
May I help you, sir?
需要我帮忙吗，先生？
There are seven of us altogether.
一共有7个。
Hi! You guys keep talking so loudly that I have to speak at the top my voice!
哎！你们一直这样大声讲话，我都不得不扯着嗓子说话了。