4.skimming off the excess fat.See Synonyms at superfluous
撇去多余脂肪参见 superfluous
5.the purchaser should avoid asking for superfluous information.
买方应当避免询问过多信。
6.In writing telegrams omit superfluous words.
报稿要省去不必要文字。
7.She fined away superfluous matter in the design.
她删去了这图案中多余东西。
8.This method make use of given error to control the section length and to removal superfluous type value points.The method can reduce working code length to a minimum without overgauge.