freshens
v.
梳洗打扮( freshen的第三人称单数 );
使某物新鲜;
（使）洁净;
使清爽或鲜亮;
例句:
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Because we trust the PortaSCC ? milk test , we test every cow when she freshens.
AnnaFritz女士:我们信任博达, 用它来测试每一头进入产奶期的牛.
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This freshens the surface waters, leading to a surface layer less dense than the saltier, warmer water below.
来自SA