单词	headspring
释义	head·spring (hĕdsprĭng′) n. A fountainhead; a source.
随便看	differentia differentiability differentiable differential differential analyzer differential calculus differential coefficient differential equation differential gear differentially differential rate differentiate differentiation differently differently abled differentness difficult difficultly difficulty diffidence diffident diffidently diffract diffraction diffraction grating

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。