That's why I am very busy everyday. You can imagine how much homework I have to do after school but I try to find some time to read books.
每天我都很忙，你可以想象一下我每天要做很多的作业，尽管如此我还是要挤出时间看书。
It is also possible to read about the history of the geological time scale, and find out more about how it is organised, or go to a specific time period using the UCMP geologic time Machine.
从这里可以了解地质时标的历史，地质时标的组成，也可以利用加州大学古生物博物馆的“时间机器”进入特定的地质时期。
It is also possible to read about the history of the geological time scale, and find out more about how it is organised, or go to a specific time period using the UCMP geologic time Machine.
从这里可以了解地质时标的历史，地质时标的组成，也可以利用加州大学古生物博物馆的“时间机器”进入特定的地质时期。
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