Ultrapurification
超提纯
🗣️ 情景例句
I'm working on-it.
我正在做这项工作。
We can't agree with the alterations and amendments to the contract.
我们无法同意对合同工的变动和修改。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，