单词	tetragraph
释义	tetragraph noun tet·​ra·​graph ˈte‧trəˌgraf : a cluster of four successive letters in cryptography tetragraphic ¦⸗⸗¦grafik adjective Word History Etymology tetra- + -graph
随便看	nightlong nightlonger nightlongest nightly nightman nightmare nightmares nightmarish nightmarishly nightmen nightpieces nightriders nights nightscope nightscopes nightshade nightshade family nightshades nightshirt nightshirts nightside nightsides nightspot nightspots nightstand

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。