vt.使新鲜,使清爽,使有精神,把(自己)盥洗一番,(使)洁净,使掺酌于,加浓(饮料)
vi.使恢复精力,增强,淡化,(产后)开始泌乳
A coat of paint will freshen this room up.
刷一层油漆会使房间焕然一新.
A thorough brushing helps to freshen up your mouth.
彻底刷牙有助于口气清新。
My room needed a lick of paint to freshen it up.
我的房间只要刷一点油漆就能焕然一新。