Lanolin, a fat found naturally on sheep's wool, is a versatile material, its derivatives offering a host of benefits. These derivatives can be separated into three main groups.
羊毛脂是从绵羊毛中获得的天然原料，它有多种用途，其衍生物主要可分成三种。
Lanolin, a fat found naturally on sheep's wool, is a versatile material, its derivatives offering a host of benefits. These derivatives can be separated into three main groups.
羊毛脂是从绵羊毛中获得的天然原料，它有多种用途，其衍生物主要可分成三种。
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