基本解释adj.快活的同根派生 英汉例句用作形容词 (adj.)They have a great time in the peony pavilion.二人在牡丹亭度过了无比快活的时光。The earlier good humour and high spirits give way to a progressively despairing vision.先前那种快活的幽默和高昂的情绪统统让位于对一切渐感失望的看法。