“渊源”造句
他说他的种族
渊源对他向来都不重要。
He said his ethnicity had not been important to him.
由于年代久远,其
渊源已无法考证.
It has an origin lost in the mists of antiquity.
谢谢你, 你的观点使这件事的历史
渊源一清二楚了.
Thank you. Your view has helped to bring the historical side of the matter into focus.