Biofiltration
生物过滤(作用)
🗣️ 情景例句
Has he ruled out possibility of lawsuit?
他有没有排除诉讼的可能性？
Truth is (or lies) at the bottom of the decater.
酒后露真言。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。