n.三项全能运动( triathlon的名词复数 );
例句:
Who enters lronman triathlons every year and wins?
谁每年都参加铁人三项并且获奖?
Do you know how many triathlons the guy's done?
你知道那个人做过多少次三项全能运动 吗 ?
Who enters ironman triathlons every year and wins?
谁每年都参加铁人三项赛并且获胜?