类书 lèishū encyclopedia Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 《永乐大典》是中国古代著名的类书。 《 Yǒnglè dàdiǎn》 shì Zhōngguó gǔdài zhùmíng de lèishū. The Yongle Encyclopedia is a famous ancient Chinese encyclopedia. Source: Dong Chinese Dictionary