They took us to see the chemical fibre mill that they were building.

他们带人们去参观了他们反正在建筑的化纤厂。

youdao

They took us to see the chemical fiber mill they were building.

他们带我们参观了他们正在修建的化纤厂。

youdao

They took us to see the chemical fiber mill they were building.

他们带我们参观了他们正在修建的化纤厂。

youdao