Hras
[医][=high-rate activated sludge waste treatment]高速活性污泥废水处理
🗣️ 情景例句
I am studying two majors, and it's quite a burden on my time.
我有两门主修课，这占据了我很大一部分时间。
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
The survey revealed a large number of sources of noise that we really dislike.
这个调查显示出很大数目我们不喜欢的噪音源：