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单词 carotenoid
释义 carotenoid/kəˈrɒtinɔid/n. any of a class of mainly yellow, orange, or red fat-soluble pigments, including carotene, giving colour to plant parts, e.g. ripe tomatoes, autumn leaves, etc. 类胡萝卜素(可使植物各部位呈现黄、橙或红色,如成熟的西红柿、秋叶等)
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