Hras
[医][=high-rate activated sludge waste treatment]高速活性污泥废水处理
🗣️ 情景例句
The news was announced to the public on TV.
这则消息经由电视向大众宣布。
Cheerful company shortens the miles.
旅有好旅伴，不觉行程远。
and usually lashes fiercely with its trunk in all directions.
往往是用鼻子朝各个方向猛烈地甩动。