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1·We must find economical methods for extracting oil from shale.

我们必须找到从页岩中采油的经济方法。《新英汉大辞典》

2·The North American shale gas boom has resulted in record low prices there.

北美页岩气的繁荣导致那里的价格创新低。

3·The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.

伯吉斯页岩地层中也有许多代表着现代动物群中已经灭绝的物种的化石。

4·Fossil formations like the Burgess Shale show that evolution cannot always be thought of as a slow progression.

像波基斯页岩这样的化石层表明进化不应该总被看作是一个缓慢的过程。

5·The shale was deposited in an oxygen-deficient lake where lethal gases sometimes bubbled up and killed animals.

页岩沉积在一个缺氧的湖泊里，那里有时会冒出致命的气体，杀死动物。

6·While rock between two consistent strata might in one place be shale and in another sandstone, the fossils in that shale or sandstone were always the same.

存在于两个相连地层之间的岩石，可能在这一层是泥板岩，而在另一层中是砂岩；但存在于泥板岩或者砂岩中的化石往往都是相同的。

7·We can extract oil from shale.

我们可以从页岩中提取石油。

8·Shale gas may generate taxes.

页岩气可能征税。

9·Shale gas, he says.

他说：“就是页岩气。”

10·Shale traps gas more tightly than other rock.

页岩比其他岩石将燃气困得更紧。

(1)oil shalen. [地]油页岩

(1)black shale黑色页岩

(1)shale shaker振动筛；泥浆振动筛

(1)shale oiln. 页岩油

(1)carbonaceous shale碳质页岩；炭质页岩