Ocean plants buried in sediment can help reveal Earth’s temperature thousands of years ago.
沉淀物下被埋的海洋植物能帮助揭示数千年前地球的温度（变化）。
Thousands of years ago, one of our ancestors must accidentally have made their first pot.
数千年前我们某一祖先在偶然间创造出了首件陶器。
The history of salt here, can be traced back to thousands of years ago.
这里的制盐历史，可追溯到千年之前。
The history of salt here, can be traced back to thousands of years ago.
这里的制盐历史，可追溯到千年之前。
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