词根词缀：tri-, tre-

【来源及含义】Greek > Latin: a numerical prefix meaning, three, thrice, threefold; triple; a word element for number 3

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; trigono-; trito-.

【同源单词】ternary, treble, trebly, triacid, triact, triad

词根词缀：trigono-, trigon-

【来源及含义】Greek: triangular; three angles

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; tri-, tre; trito-.

【同源单词】trigon, trigonal, trigone, trigonectomy, trigoneutic, trigonid