同时跟两个人做爱，通常指一男两女。多发生在有特殊服务的足浴，按摩，桑拿等等色情场所。
ENTo have sex with two people at the same time, usually referring to one man and two women. Mostly occurs in pornographic places such as foot baths, massages, saunas, etc. that offer special services.
“-那个新场子去试过了吗？ -上星期去了！加100要了双飞，爽爆了。
