单词 | petrichor |
释义 | pet·ri·chor ![]() n. 1. The distinctive smell given off by earth, rock, or pavement at the beginning of a rain after a period of warm, dry weather. 2. The organic compounds that produce such a smell. [PETR– + ICHOR (coined in 1964 by Isabel Joy Bear and Richard Grenfell Thomas, Australian geochemists).] |
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