词族 · carotene
词形变化
中文词源
carotene 胡萝卜素
来自carrot, 胡萝卜。-ene, 化学名词后缀。
英语词源
- carotene (n.)
- hydrocarbon found in carrots and other plants, 1861, from German carotin, coined 1831 by German chemist H.W.F. Wackenroder (1789-1854) from Latin carota "carrot" (see carrot) + German form of chemical suffix -ine (2), denoting a hydrocarbon.
权威例句
- 1. " Golden " rice contains increased amounts of beta - carotene, a source of vitamin A.
- “ 金色 ” 稻米有很高含量的β - 胡萝卜素 —— 一种维生素A源.
- 2. Converts to beta - carotene, which is needed to maintain eye health.
- 能转化成乙种胡萝卜素, 维持眼睛健康.
- 3. Carotene Any of several organic compounds widely distributed in plants and animals.
- 作为色素广泛分布于动植物中的几种有机化合物的总称.
- 4. The colorants of green plants consist of chlorophyll, xanthophyll and carotene.
- 绿色植物中含有叶绿素 、 叶黄素和胡萝卜素.
- 5. Carotene is vitamin, and is very useful to human health.
- 胡萝卜素是维生素, 对人体很有益.