trinity
/ˈtrɪnɪtɪ/noun
(pl. -ies)(亦作the Trinity或the Holy Trinity)
1- the three persons of the Christian Godhead; Father, Son, and Holy Spirit基督教三位一体（即圣父、圣子、圣灵合成一神）。
1.1
- a group of three people or things（三个人或三件物组成的）三位一体, 三合一, 三件套; 三人组合：
the wine was the first of a trinity of three excellent vintages.
这酒是上好佳酿三合一的第一种。
1.2
- mass noun the state of being three三位一体状态：
God is said to be trinity in unity.
上帝据说是和谐的三位一体。
词源
Middle English: from Old French trinite, from Latin trinitas 'triad', from trinus 'threefold' （see TRINE）.