Diacaustic
散焦面, 散焦曲线
🗣️ 情景例句
Oh, that's not too far from here!
噢， 那儿不很远。
It will do you good.
这会对你有好处。
A little. He fell and hit his leg on a table.But he's OK now.
伤了点儿。他跌倒了，腿撞在桌子上。但是现在已经好了。