词根词缀:septi-, sept-, septem-
【来源及含义】Latin: seven, seventh; a word element for number 7
【同源单词】septangle, septangular, septarch, septarchy, septave, September
【来源及含义】Latin: seven, seventh; a word element for number 7
【同源单词】septangle, septangular, septarch, septarchy, septave, September