写作 writing
丰富 rich,abudant,plentiful
经验 experience
放在一起:
他在写作方面有着丰富的经验
In the area of writing he has a rich experience
比较简洁、雅致的表达方式是
He is a highly experienced writer
As a writer he is highly expeirenced
He has very rich experience in writing
希望帮到了你,