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.

youdao

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;

youdao

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;

youdao