(N. Amer. & Austral./NZ)a bet in which the person betting forecasts the first three finishers in a race in the correct order (北美,澳/新西兰)(押赌者准确排定前三名的)三连中。 参见tricast ■[in sing.]a run of three wins or grand events 三连胜;三场重要事件 today is a trifecta of birthdays. 今天有三人同过生日。