vt. skim
skim off the scum
撇去浮沫
撇去果酱上的浮沫，让它冷却。
Skim the scum off the jam and let it cool.
《牛津词典》
今天汹涌的海浪使特别装备的船只无法撇去浮在水面上的石油。
Rough seas today prevented specially equipped ships from skimming oil off the water's surface.
《柯林斯英汉双解大词典》
Skim the jam and let it cool.
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