The test results of 30 samples collected in 4 wells indicate that the abundance and extractable contents of organic matter in the coal measures are both high, n alkane possesses odd even predominance;

口井30 余块样品测试结果表明，煤系有机质丰度及可抽提有机质的量都较高；正构烷烃具明显奇偶优势；

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Eventually even their economic predominance was to suffer.

甚至最终，他们在经济上的主导地位也会受损。

《柯林斯英汉双解大词典》

Butt even as the number of English speakers expands further there are signs that the global predominance of the language may fade within the foreseeable future.

䤂参考译文： 但是，尽管使用英语者的人数在不断增加/说英语的人越来越多，却仍然有迹象表明，英语语言的全球主导地位在不久的将来/可预见的未来也许会慢慢衰退。

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