tetrathlon
tetrathlon[tɛˈtraθlɒn, -lən]noun- a sporting contest in which each participant competes in four events, typically riding, shooting, swimming, and running
(多指含骑马、射击、游泳、赛跑的)四项运动
语源- 1950s: from tetra- 'four' + Greek athlon 'contest', on the pattern of pentathlon
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