他们在档案查阅室楼上的6个楼面工作，办公室的桌面和地面堆满专利申请材料。

They work on six floors above the Search Room, their desks and floors awash in patent applications.

youdao

他们在档案查阅室楼上的6个楼面工作，办公室的桌面和地面堆满专利申请材料。

They work on six floors above the Search Room, their desks and floors awash in patent applications.

youdao