单词	roughstring
释义	roughstring noun : a board notched out to fit the steps and fixed to the inside of an open string to strengthen it compare face string Word History First Known Use 1819, in the meaning defined above
随便看	pericynthion pericynthions pericystia pericystium pericytial periderm Peridermium periderms peridesm peridesmic peridesmiums peridia peridial peridiastole perididymides perididymis peridiiform peridinia Peridiniaceae peridiniaceous peridinial Peridiniales peridinian peridinians Peridiniidae

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。