单词	superfirm
释义	superfirm adjective su·​per·​firm ˌsü-pər-ˈfərm  : extremely firm superfirm mattresses Word History First Known Use 1928, in the meaning defined above
随便看	regular customer regular deposit regular lay regular lot regular ode regular peloria regular pyramid regular reflection regular sequence regular solid regular year regular-lay rope Regulares Regularia regularisation regularisations regularise regularised regulariser regularisers regularises regularising regularities regularity regularity theory

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。