单语范例（未经PONS编辑处理）
The 7-dehydrocholesterol is a natural substance in fish organs, especially the liver, or in wool grease (lanolin) from sheep.
en.wikipedia.org Different mineral oils, linseed oil, castor oil, eucalyptus oil, lanolin, and oil of turpentine can be found most frequently among the many formulas.
en.wikipedia.org These ultra-high purity grades of lanolin are ideally suited to the treatment of dermatological disorders such as eczema and on open wounds.
en.wikipedia.org Lanolin can also be restored to woolen garments to make them water and dirt repellent, such as for cloth diaper covers.
en.wikipedia.org Alpaca and llama wool, not having lanolin, are only washed after spinning, before being woven.
en.wikipedia.org