1 finish at 意為“在……點鐘結(jié)束”;start at 意為“在……點鐘開始”,這里的at 表示時間,指一個時間點。
The party started at seven o'clock. 聚會7點鐘開始。
The meeting finished at eleven o'clock. 會議11點結(jié)束。
2 用at 表示時間的短語還有:at noon(在中午),at the moment (此刻),at about 8 o'clock (在大約8點鐘),at dawn (在黎明),at first (起初),at last (最后),at half past six (6點半)等。