基本解釋[躰育]主裁判英漢例句權(quán)威例句Becoming a chair umpire at top events takes years of officiating lower-tier matches, attending seminars, passing written tests and undergoing evaluation after evaluation--plus some luck.FORBES: Magazine ArticleThe chair umpire at the U.S. Open has the best seat in the house--especially if there's yet another epic Rafael Nadal-Roger Federer final.FORBES: How To Become A Chair Umpirechair-umpire更多例句專業(yè)釋義躰育主裁判