starter

开端者, 在起跑线上的人, 参加赛跑的人, 调度员, 起动机, 酵母

an electric motor for starting an engine; a contestant in a team sport who is in the game at the beginning; the official who signals the beginning of a race or competition; a culture containing yeast or bacteria that is used to start the process of fermentation or souring in making butter or cheese or dough

主力