avant-courier 同义词
1 先遣部队
2 先驱
advanced avant-garde pioneer van herald vanguard progenitor harbinger precursory precursive usher pathfinder antecedent vaward
3 先行者
4 前锋
forward spearhead scrimmage line backer end pack striker in-home cornerman van herald lineman scrumhalf scrum half
7 先驱者