单词	bookholder
释义	bookholder noun : a device that supports a book compare bookrack, bookrest Word History First Known Use 1838, in the meaning defined above
随便看	hyperboloid hyperboloid of revolution hyperboloidal hyperboloids hyperboreal hyperborean hyperboreans hyperbrachycephal hyperbrachycranial hyperbrachycranic hyperbrachycrany hyperbrachyskelic hypercalcaemia hypercalcaemias hypercalcemia hypercalcemias hypercalcemic hypercapnia hypercapnias hypercapnic hypercarbiae hypercarbias hypercatabolic hypercatabolism hypercatabolisms

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。