乃是
word C2- equivalent to either 是[shi4] or 就是[jiu4 shi4]
Its characters
From the library
他治河的法子乃是从大禹一脉下来的，专主『禹抑洪水』的『抑』字，与贾让之说正相反背。
只有太祖皇帝起兵滁阳，得了金陵，立为吴王，乃是王者之师；
随即每桌摆上八九个碗，乃是猪头肉、公鸡、鲤鱼、肚、肺、肝、肠之类。
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