It's both an emollient and a natural perfume.

它既是柔化剂又是天然香氛。

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The essential oil of rosemary is a traditional natural perfume.

迷迭香精油是传统的天然香料。

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This paper introduced the new solvent for extracting natural perfume oil.

本文介绍了四号溶剂萃取天然香料精油新技术。

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They might use a natural scent as the basis for a perfume, but then they typically add to this by using synthetic compounds produced in a laboratory. (Synthetics also make it possible to affordably mass-produce perfumes.) Both Mr. Ellena and Ms. Beaulieu scoff at amateurs who want to hear that perfumes are all natural.

WSJ: Book Review: Diary of a Nose | The Perfume Lover

It was not until 2001, however, that Manfred Milinski and Claus Wedekind of the University of Bern wondered whether there was a correlation between the perfume a woman preferred and her own natural scent.

ECONOMIST: Perfume science