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单词 black shale
例句
原声例句
美国国家公园

The land at the bottom of the sea was black shale rock.

海底的土地是黑色页岩岩石。

PBS地球-动物趣闻

In the geologic record, buried organic carbon with no oxygen shows up as black shales.

在地质记录中,没有氧气的掩埋有机碳表现为黑色页岩。

PBS地球-动物趣闻

And there are extensive black shale deposits in places like China and northern Africa, dating to the late Ordovician.

在中国和北非等地有大量黑色页岩矿床,可追溯到晚奥陶世。

世界新知聚焦:科学

" They drilled a hole several hundreds metres deep and they hit a deep, black, oily shale, " he said. " It turned out to be 1.1bn years old, which is absolutely incredible" .

" 他们钻出了一个几百米深的洞,然后钻到了一个很深的黑色油页岩," 他说," 竟不曾想到它有11亿年的历史,简直令人难以置信。"

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