| 释义 |
The book is intended for an informed readership.这本书是专为知识丰富的读者准备的。The sales staff are all knowledgeable, helpful, and cheerful.销售员全都知识丰富、乐于助人、性格开朗。Visitors should use reputable travel firms with knowledgeable guides, and avoid camping alone.游客应该选择聘有知识丰富的导游的而且信誉良好的旅行社，并要避免单独露营。 |