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??/??trinity??/??ternary??/??ternion??/??triplet??/??tercet??/??trey??/??deuce-ace
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。