根据某一实验室的推测，若干肖韦洞窟壁画可以追溯到三万年前，甚至更古远的年代。

A number of the Chauvet paintings have been dated by a lab to 30,000 or more years ago.

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这些滚轮包可以让你更方便地在机场拖着你的杂物，它的词源可以追溯到600多年前。

These roller bags that make it easier to lug your junk around airports are in keeping with etymology stretching back more than 600 years.

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doid=288392.288596">追溯到1998年，来自微软的一项研究就已经显示我们通常在空间记忆里比从文字记忆里更容易回想到信息。

from Microsoft going back as far as 1998 have shown that we are usually far better at recalling information from our spatial memory than at recalling information from texts.

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Some of these books which we think are roughly from a certain date, they will contain narrative snippets or legal materials or oral traditions that may even date back or stretch back further in time, and they were perhaps transmitted orally and then ended up in these written forms.

有些篇章只是被我们粗略地认为出现于那个年代，其中包含的故事片段或律法材料或口头传统,其实也许能够追溯到更久远，所以这些很可能一开始是被口头传播,后来才用文字形式记载的。

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