Nitrel
消石
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。