Ultrapurity
超纯度
🗣️ 情景例句
I bet you were cute.
我打赌 ，当时很逗人喜爱。
Knowledge comes from experience alone.
知识来自经验。
The Ambassador's wife went on asking questions, when she suddenly noticed a big hole in her husband's hat.
大使夫人继续提出问题，她突然又发现丈夫的帽子上有个洞。