Ultrapurity
超纯度
🗣️ 情景例句
Now we'll find out about the surprise.
现在我们可以知道是什么样的惊喜了。
Could you change my flight date from London to Tokyo?
请你更改一下从伦敦到东京的班机日期好吗？
I read about you in the newspaper and decided to come and hear you play.
我在报纸上看到了你的情况，于是决定来听你演奏。