exfoliate
/eksˈfəʊlɪeɪt/verb
no obj.
1- (of a material) come apart or be shed from a surface in scales or layers（物质）片状剥落：
the bark exfoliates in papery flakes.
树皮像纸屑一样纷纷落下。
1.1
- with obj. cause to do this使片状剥落：
salt solutions exfoliate rocks on evaporating.
盐溶液蒸发时能使岩石出现片状剥落。
1.2
- with obj. wash or rub (a part of the body) with a granular substance to remove dead cells from the surface of the skin用颗粒状物擦洗（身体某部位以使皮屑脱落）：
exfoliate your legs to get rid of dead skin.
揉搓你的双腿使死皮脱落。
1.3
- with obj.（常作be exfoliated）shed (material) in scales or layers使（物质）鳞屑状（或层状）脱落。
派生词
exfoliation
nounexfoliative
adjectiveexfoliator
noun词源
mid 17th cent.: from late Latin exfoliat- 'stripped of leaves', from the verb exfoliare, from ex- 'out, from'+folium 'leaf'.