柯林斯詞典first light 1. N the time when light first appears in the morning; dawn 晨曦; 黎明 返回 first light劍橋詞典the time when the sun first appears in the morning 破曉，黎明 We'll leave at first light . 我們將在黎明時(shí)出發(fā)。 返回 first light