Biofiltration
生物过滤(作用)
🗣️ 情景例句
The birthday dinner was held at a five-star restaurant.
生日宴会在一个五星级的宾馆里举办。
A wise man cares not for what he cannot have.
智者不作非凡之想。
What an adorable baby!
多么可爱的孩子。