老师的办公桌上放着一摞同学们的卷子的翻译：Teacher's desk had been placed on a stack of students ' papers 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

The teacher's desk stood a pile of students of examination paper

Teacher's desk had been placed on a stack of students ' papers

On teacher's desk is putting pile schoolmates examination paper

Teachers placed on the top of his desk in a bunch of classmates examiners

Teacher's desk had been placed on a stack of students ' papers