cóng niú nǎi shàng piē nǎi yóu
nínshìfǒuzàixúnqiú:从牛从牛奶上撇去奶油从牛 从牛奶上撇去奶油gèngduōjiéguǒ...
yīngwénjièshì:
  1. v.  skim the cream from the milk