在线词典开元唐玄宗(李隆基)年号(公元713-741)。拼音kāi yuán解释唐玄宗(李隆基)年号(公元713-741)。英文释义Tang emperor Xuanzong's 唐玄宗[Tang2 Xuan2 zong1] reign name used during the Kaiyuan era (713-741), a peak of Tang prosperity