google来的结果: : `2 K& I( R: R 0 T7 A5 Z. B' w. QEnglish name: Lanolin ( \ v6 M/ c0 J V8 h8 M- K3 BLanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish)." B! e- N' V9 g$ {
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Ref: http://en.wikipedia.org/wiki/Lanolin