单词	tautochrone
释义	tautochrone noun tau·​to·​chrone ˈtȯtəˌkrōn plural -s : a curve which is a cycloid under a horizontal base and down which the time of descent under gravity from every point to the lowest point is the same Word History Etymology French, from taut- + Greek chronos time First Known Use circa 1774, in the meaning defined above
随便看	mulga mulga country mulga scrub mulgas Mulhouse muliebral muliebria muliebrities muliebrity mulier puisne mulier younger muliers puisne muliers younger muling mulish mulisher mulishest mulishlier mulishliest mulishly mulishness mulishnesses mulita mull mull (over)

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。