单词	costus oil
释义	costus oil noun cos·​tus oil ˈkȯstəs-, ˈkäs- : a light yellow essential oil obtained from costusroot Word History Etymology costusroot + oil
随便看	osteoporosis osteoporotic osteosarcoma osteosarcomas osteosarcomata osteosclereid osteoses osteosises osteostracan osteostracans Osteostraci osteostracies osteostracis osteotomes osteotomies osteotomists osteotribe osteria Ostia ostia Ostiak ostiak ostiaks ostiaries ostiary

英语词典包含469781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。