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先驱(者);创始人
A trailblazer is a person who is the leader in a particular field, especially who does a particular thing before anyone else does.
例句
He has been the trailblazer and given British sprinters the belief that we are able to take on and beat the world's best.
他一直是开路先锋，让英国短跑选手相信我们能与世界上最好的运动员一决高下，并且击败他们。