Biofiltration
生物过滤(作用)
🗣️ 情景例句
No, she doesn't know Harry Bennett and his daughter Michelle.
不，她不认识Harry Bennett和他女儿Michelle。
After I get dressed,I'll have breakfast.
在我穿好衣服以后，我将吃早餐。
Sure! We picked lots of apples.
当然记得了！我们摘了很多苹果。