I.
verb
ADVERB
▪ barely ( figurative )
▪
This report has barely skimmed the surface of the subject.
▪ only
▪ low
▪
A bird skimmed low over the water.
PREPOSITION
▪ across , over
▪
We skimmed across the water in a small boat.
PHRASES
▪ ~ the surface ( figurative )
▪
Foreign films only ~ the surface of Moroccan life.
Skim is used with these nouns as the object: ↑ page , ↑ surface
II.
adj.
Skim is used with these nouns: ↑ milk