Benfite
[商]一种聚丙烯酰胺型絮凝剂
🗣️ 情景例句
and I felt I should spend more time
我觉得应该多花些时间
Do you live in the countryside?
你在乡间里居住吗？
His previous attempts had been unsuccessful.
他以前的尝试没有成功。