单词	dioptrics
释义	di·op·trics (dī-ŏptrĭks) n. (used with a sing. verb) The study of the refraction of light.
随便看	artistic artistically artistry artless artlessly artlessness art music art nouveau Artois art runner Arts and Crafts Movement art song artsy artsy-craftsy artsy-fartsy art therapy Artur Arturo artwork arty Aruba Aruban arugula Aru Islands arum

英语词典包含135693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。