Read Edit View history 第一流 dìyīliú first-class Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 第一流 · dìyīliú · first-class 2026/03/04 第一流 dìyīliú first-class first-class 这所大学拥有第一流的科研设备。 adjective created sense Mar 4, 2026, 02:25 AM