Read Edit View history 讨究 tǎojiū investigate Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 讨究/討究 · tǎojiū · investigate 2026/03/04 讨究 / 討究 tǎojiū investigate to investigate 这项课题值得深入讨究。 verb created sense Mar 4, 2026, 02:25 AM