Hras
[医][=high-rate activated sludge waste treatment]高速活性污泥废水处理
🗣️ 情景例句
The council will not permit you to build here.
委员会不会允许你们在这一带搞建筑。
Button holes are very hard to sew.
要缝钮扣洞非常难。
You don't keep your word.
你不守信用。