Hras
[医][=high-rate activated sludge waste treatment]高速活性污泥废水处理
🗣️ 情景例句
I think you have got it, Richard.
我想你已完成了 ，Richard。
I'd be happy to help you in any way I can.
我高兴尽我所能以任何方式帮助你。
I read a few lines, but I did not understand a word.
我读了几行，但一个字也不懂。