她在房间里喷了些香水让空气清新起来。

She sprayed some perfume to ___freshen up the air in the room.

打开窗户让新鲜空气流通，能很快让房间焕然一新。

Opening the windows to let in fresh air will quickly ___freshen up the room.

请给我的茶加点热水。

Could you ___freshen my tea with some more hot water?

他往脸上泼了些水让自己清醒一下。

He splashed water on his face to ___freshen up.