学习语法对英语学习起关键作用的翻译：Learning grammar for English learning played a key role 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Learning of English grammar play a key role in learning

Learning grammar for English learning played a key role

The study grammar studies the key function to English

learning grammar for English learning play a key role

Learning grammar for English learning played a key role