Biofiltration
生物过滤(作用)
🗣️ 情景例句
So it seems.
好像是这么回事。
Every potter praises his own pot.
老王卖瓜，自卖自夸。
The hovercraft travelled first over the water, then mounted the beach,
气垫船先是在水面上行驶，后又登上海岸，