Biofiltration
生物过滤(作用)
🗣️ 情景例句
Certainly.
当然可以。
Prove thy friends ere thou have need.
需要朋友之前，先要加以考验。
Car alarms constantly scream at us in the street and are a source of profound irritation.
在街上，汽车的防盗警报不断对我们吼叫，这是人们极度烦燥的一个原因，