bettor
noun /ˈbetə(r)/
/ˈbetər/
(also better)
(North American English)- a person who bets on a race or other sports event, especially somebody who does this regularly
投注者：在比赛或其他体育赛事上下注的人，尤其是经常这样做的人 - Bettors wagered a total of $67.7 million on the game.
下注者在游戏上总共下注6770万美元。
- Bettors wagered a total of $67.7 million on the game.