以前教室里黑板是窄的的翻译：Previously the Blackboard in the classroom is a narrow 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

Classroom before the blackboard is a narrow

Previously the Blackboard in the classroom is a narrow

In beforehand classroom the blackboard is narrow

blackboard classroom is narrow before the

Previously the Blackboard in the classroom is a narrow