语言选择:
免费网上英汉字典|3Dict

vitamin A1

资料来源 : WordNet®

vitamin A1
     n : an unsaturated alcohol that occurs in marine fish-liver oils
         and is synthesized biologically from carotene [syn: {retinol}]
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z