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楼主 |
发表于 2021-1-26 04:03:56
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Day 9:
第一篇:
阅读时间5,总结5
Core:
Satellites can be used to spot methane leaks.
Excerpt:
Having a number of complementary eyes-in-the sky will be an important way to help reduce methane emissions.
On top of that, for firms seeking to burnish their green credentials, plugging leaks is one of the most effective things they can do to help combat climate change.
Words:
Linger:停留,逗留;徘徊
potent: 强有力的,强大的;有效力的
burnish:给…增色;改善(公众形象)
credentials: 资质
第二篇:
阅读5分钟,总结3分钟
Core:
Accelerator Mass Spectrometry can provide more accurate dating than C14 dating.
Excerpt
Clearly proper sample-decontamination procedures are of particular importance in the dating of very old artifacts.
One controversy of long-standing on which the new dating technique has already had a major impact concerns the first human migrations to the New World.
An accurate time scale for the colonization of America is crucial in order to assess how quickly the first Paleo-Indian hunters and gatherers dispersed, settled and developed their ethnic and linguistic diversity.
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