单词	Petrobia
释义	Petrobia noun Pe·​tro·​bia pə‧ˈtrōbēə : a genus of mites containing the brown wheat mite Word History Etymology New Latin, perhaps from petr- + -bia
随便看	gradates gradating gradation gradational gradationally gradations gradatory graddan gradden grade grade A grade beam grade crossing grade down grade inflation grade line grade point grade point average grade school grade separation grade stake grade up grade-schooler gradeability graded

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。