单词 skim off 例句 DEFINITIVE EXAMPLES 权威例句〔deflect〕The ball skimmed off Shearer's head and was deflected past Meldrum.球擦着希勒的头飞过,改变了方向并越过麦尔德姆。麦克米伦高阶〔froth〕Bring to the boil, skimming off any froth that rises to the su...