-
Some propose storing the CO2 in coal mines or liquid storage in the ocean, Shell favors storing CO2 in deep geological structures such as saline(盐的) formations and exhausted oil and gas fields that exist throughout the world.
出自-2012年6月阅读原文
-
In geological time, a million years is recent history.
出自-2010年12月听力原文
-
By explaining some essential geological principles.
出自-2010年6月听力原文
-
As he prepared the speech, Juan kept asking himself, "How can I make this clear and meaningful to someone who knows nothing about earthquakes or geological principles
出自-2010年6月听力原文
-
The hills are remnants of an earlier geological era, scraped bare of most soil and exposed to the elements.
2018年6月六级真题（第一套）阅读 Section B