单词	unconcern
释义	un·con·cern (ŭn′kən-sûrn) n. 1. Lack of interest; indifference. 2. Lack of worry or apprehensiveness. [Probably back-formation from UNCONCERNED.]
随便看	extemporaneity extemporaneous extemporaneously extemporaneousness extemporarily extemporary extempore extemporization extemporize extemporizer extend extendability extendable extended extended family extendedly extender extendibility extendible extensibility extensible extensile extension extensional extension cord

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。