单词	double octave
释义	double octave noun : a musical interval (see interval sense 2c) of two octaves : fifteenth Word History First Known Use 1676, in the meaning defined above
随便看	helsingfors helsingforses Helsingør Helsinki helsinkies helsinkis helter-skelter helter-skelters helve helve hammer helved helvella Helvellaceae helvellaceaes helvellaceous helvellae Helvellales helvellas helvellic Helvellyn helves Helvetia helvetia helvetia blue helvetian

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。