第1个回答 2009-02-22
have a good command of knowledge
我觉得这个翻译好些
第2个回答 2009-02-22
master/learn a large amount of knowledge本回答被提问者采纳
第3个回答 2009-02-22
master a large amount of knowledge.
第4个回答 2009-02-22
master lots of knowledge
第5个回答 2009-02-22
have a good command of knowledge