Read Edit View history 第四纪 dìsìjì quaternary Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 第四纪/第四紀 · dìsìjì · quaternary 2026/03/04 第四纪 / 第四紀 dìsìjì quaternary the Quaternary geological period, encompassing the recent ice ages and the rise of modern humans 第四纪是显生宙中最新的一个地质时期。 time word created sense Mar 4, 2026, 02:25 AM