google来的结果: ; o4 i* b+ e3 r% l( h- N0 U$ Q ; T. @& Q7 _; X/ I; H; F4 sEnglish name: Lanolin . g) D s* r# D: i: F
Lanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish). 0 y9 Y, S; ^# ]( D1 C8 S ! u$ Z$ W8 b1 B3 a: M7 M! D' ZRef: http://en.wikipedia.org/wiki/Lanolin