单词	carotenoid
释义	carotenoid /kəˈrɒtɪnɔɪd / noun Chemistry Any of a class of mainly yellow, orange, or red fat-soluble pigments, including carotene, which give colour to plant parts such as ripe tomatoes and autumn leaves: [as modifier]: carotenoid pigments... This color reveals the presence of yellow, orange and red pigments known as carotenoids. Another class, the carotenoids, creates the orange color of carrots and pumpkins. The yellow colour comes largely from carotenoids, which hens get from plant foods, or lutein, which is added to feeds specifically to colour egg yolk.
随便看	root and branch Root and Branch Bill root and brancher root and branch party Root and Branch Petition root and branch policy root and branch reform root aorist root-a-toot root ball root-balled root beer root beetle root-bound root bread root canal root cap root cause root cellar root character root class root climber root collar root crop root crown

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。