N-COUNT [usually singular] (重大事件或一系列事件的)序曲，前兆，前奏(尤指体育赛事或演出) A curtain-raiser is an event, especially a sporting event or a performance, that takes place before a more important one, or starts off a series of events. (重大事件或一系列事件的)序曲，前兆，前奏(尤指体育赛事或演出) [journalism]
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The three-race series will be a curtain-raiser to the Monaco Grand Prix in May. [+ to]
这3场系列赛将为5月份的摩纳哥大奖赛拉开序幕。
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The President's address tonight from the Oval Office is a curtain-raiser for the economic policy message set for delivery to Congress on Wednesday.
美国总统今晚于总统办公室发表的讲话是将于周三提交国会的经济政策的前奏。