The box sat unopened on the shelf.

盒子搁在架子上，没有打开。

《牛津词典》

He returned the album to its place on the shelf.

他将像册放回到架上原来的地方。

《柯林斯英汉双解大词典》

There was a clutter of bottles and tubes on the shelf.

架子上胡乱堆满了瓶子和管子。

《牛津词典》

Based on an off-the-shelf Android OS smartphone powered by Qualcomm Technologies, Inc.

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Otherwise, it warned, the emphasis on cheaper "off-the-shelf procurement" from other nations could come to threaten the UK's ability to defend itself.

BBC: Joint strike fighter decision was flawed, MPs say

The device relies on the kind of off-the-shelf parts you might find in a smart phone or other piece of consumer electronics.

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