I kept all my pictures in neatly organized albums on the bottom shelf of my bookcase.

我还把照片整理成相册，整整齐齐地放在书架的底层上。

youdao

Please empty out the first shelf of the bookcase.

请你把书架的第一层空出来。

youdao

He reached up to the third shelf of the bookcase and took down a dictionary.

他把手伸到书柜的第三层，取下一本词典。

youdao