threesome
/ˈθriːsəm/ 14A threesome is a group of three people. 三人组
noun [集合/集体]三人一组；三人的竞赛；一人对两人的比赛
One in 10 people claims Tracey Cox have had a threesome in their early twenties.
特蕾西·考克斯宣称10个人中有1个宣称他们曾试过三人行。
adjective [原级]三倍的；三人一组的
The threesome remained close, even sending out holiday cards signed, “Warren, Susan and Astrid.”
三个人保持很近的关系，甚至在发出的节日贺卡上签字为“沃伦、苏珊和艾斯翠”。
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