详细解释:n. 三人一组, 三个一组的东西, 三位一体
词型变化：
名词复数:trinities英语解释：
名词 trinity:
the cardinal number that is the sum of one and one and one同义词：three, 3, III, trio, threesome, tierce, leash, troika, triad, trine, ternary, ternion, triplet, tercet, terzetto, trey, deuce-ace