| 单词 | carotene |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔beta-carotene〕One of the isomeric forms of carotene that is widely distributed in nature.β-胡萝卜素：胡萝卜素的异构体之一，广泛存于自然界中美国传统〔carotenemia〕The presence of excess carotene in the blood, often resulting in yellowing of the skin.胡萝卜血症：血液中出现过量的胡萝卜素，经常引起肤色发黄美国传统〔carotenoid〕Any of a class of yellow to red pigments, including the carotenes and the xanthophylls.类胡萝卜素：一类黄色至红色的色素，包括胡萝卜素和叶黄素美国传统〔insoluble〕Carotenes are insoluble in water and soluble in oils and fats.胡萝卜素不溶于水,但可溶于油类和脂肪。柯林斯高阶〔provitamin〕A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene, for example, is a provitamin of vitamin A.维生素原：一种由身体通过正常新陈代谢过程，将其转化成活跃形式的维生素的前体，比如，胡萝卜素是维生素A的维生素原美国传统Flamingoes are pink because their diet is rich in carotene.火烈鸟呈粉红色是因为它们的食物中富含胡萝卜素。剑桥国际 |
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