skim

撇取浮沫, 略读, 掠过

cause to skip over a surface; coat (a liquid) with a layer

擦过, 浏览

cause to skip over a surface; coat (a liquid) with a layer

脱脂乳, 擦过, 表层物

a thin layer covering the surface of a liquid; reading or glancing through quickly

撇去浮沫的