The discovery that carbon from the ocean floor can be mixed so deep within the mantle raises the larger question of how much of the ocean floor and sediments are carried to the deep mantle.

来自海洋板块中碳元素混杂在如此之深的地幔中这一现象的发现使人们产生更大的疑问，到底有多少海洋板块和沉积物被带到深层地幔中。

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Little Pearl's unwonted mood of sentiment lasted no longer; she laughed, and went capering down the hall, so airily, that old Mr. Wilson raised a question whether even her tiptoes touched the floor.

小珠儿这种不寻常的温情脉脉到此为止，她放声笑着，朝大厅另一头轻捷地蹦跳而去，威尔逊老先生甚至怀疑，她的脚尖是否触到了地板。

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Listen to the tape then answer this question. How must Amy clean the floor?

听录音，然后回答问题。艾米需要如何来清扫地面？ ？

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At the JP Morgan Conference, I told the story of our heavy-duty starter factory in answer to the question from the floor.

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This, after all, is Ask Engadget -- so let's open the question up to the floor and see what we can shake out together.

ENGADGET

The children were a little young to know the difference between a question and a statement, so when the floor was opened for questions, it became a little awkward.

CNN: STORY HIGHLIGHTS