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单词	toll board
释义	toll board noun : a telephone switchboard for making toll-call connections Word History Etymology toll entry 1
随便看	secondary alcohol secondary axis secondary battery secondary body secondary bud secondary burial secondary cambium secondary capitulum secondary care secondary cell secondary circle secondary color secondary colors secondary cortex secondary covert secondary derivative secondary distribution secondary dormancy secondary electron secondary emission secondary enrichment secondary fermentation secondary group secondary growth secondary host

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。