trifectas是trifecta的复数
trifecta
美 [traɪ'fektə]
英
- 网络三重彩；三连胜
复数：trifectas
n. | 1. a bet, especially on a horse race, that involves selecting the competitors that will come in the first three places in the correct order 2. a series or set of three things, factors, or influences |