这些延伸到过去的印迹令人震撼，虽然这些并不是全部的线索，但是重要在于化石记录着过去到现在的连带关系。

That any traces at all remain from so long ago is astounding, and anyway it is not the completeness of the fossil record but its consistency that matters.

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但是我们有必要申请收回允许记录我们生活印迹的权利。

But we need to reclaim the right to record our own lives as they proceed.

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运用笔记策略，有助于学生将所学的化学知识转化为书面记录，留下思考的印迹，促进学习的记忆和理解；

Note the use of strategies to help students will learn the chemical knowledge into the written record, leaving the thinking of the Western blot, for learning and memory and understanding;

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