The top image was taken just before the arrival of the tsunami at the front of the Sulzberger ice Shelf, while the bottom image shows the chunks of ice well out to sea just five days later.

上图是海啸马上就要到达苏兹贝格冰架时拍摄的，下图是五天后大冰块流到洋面上时拍摄的。

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A pile of books avalanched out of the shelf.

一堆书从书架上雪崩似的掉下来。

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If you discover you need a book to read or reference, pull it out of the box and put it back on the shelf.

如果你发现你需要一本书来看或者复习，把它从箱子拿出来重新放到书架上。

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Behind the till in the basement of Hatchards, a bookshop in London's Piccadilly, is a high shelf, well out of customers' reach, with a row of paperbacks.

ECONOMIST: What the world is stealing | The

Of course, the DVR is popular because it's not tied down by content windows, so as long as streaming content has a shelf life out of our control, the DVR is a necessary evil.

ENGADGET: Editorial: What's wrong with TV, and what it might take to change it

Business advisory firm Deloitte said the amount of drilling, as well as the number of oil and gas field deals on the UK Continental Shelf, levelled out in the first quarter of this year.

BBC: Deloitte: Prolonged winter subdued North Sea activity