单词	tool subject
释义	tool subject noun : a subject studied to gain competence in a skill used in other subjects Word History First Known Use 1925, in the meaning defined above
随便看	cotangent cotangents cotans cotarii cotarius cotch cote cote-armour coteau coteaus coteaux cotechino coted coteen cotehardie cotelettes cotelines cotenancies cotenant cotenants Cotentin Peninsula cotention cotentive cotenure cotenures

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。