谢谢指正！

维基上看来的：

He has been called the 'father of English literature', or alternatively, the 'father of English poetry'.

A prolific writer, Chaucer has been seen as crucial in legitimising the literary use of Middle English at a time when the dominant literary languages in England were still Anglo-Norman French and Latin.

英国语言文学史，一个更大的宇宙等待我发掘 ;-)