google来的结果: 2 ]' \$ G$ i7 F2 [ 8 h, E: J' i, T3 w, tEnglish name: Lanolin " X' M6 d# ^1 |7 FLanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish). 6 H' X8 Y- Z. M) j7 d" q( h5 c# e
Ref: http://en.wikipedia.org/wiki/Lanolin