Ultrapure
a. 超纯的
🗣️ 情景例句
Yes, I have been working in an advertisement company in the last two years.
是的，在过去两年里，我一直在一家广告公司工作。
Old friends and old wine are best.
古交友情深，陈酒香味醇。
We have all experienced days when everything goes wrong.
我们大家都有过事事不顺心的日子。