Levels of mitochondrial DNA - a female genetic marker only carried down the female line - is similar all along the coast, regardless of language.

不管语言，沿海岸线的线粒体dna的层级——一个女性基因标记只携带了女性线链——是相似的。

youdao

But some of those precious minutes would be saved by making fewer stops, while train frequency on the traditional west-coast main line will be cut.

但是，这几分钟的宝贵时间将通过减少停靠站的方式节省下来，而传统的西海岸主干线的列车班次会减少。

youdao

One of the biggest problems on the modern network is overcrowding and congestion, something that the improved west-coast line should help to ease, at least for a few years.

现代铁路网最大的问题之一是乘客拥挤与铁路堵塞，这也是西海岸铁轨升级的用意所在，虽非一劳永逸之法，但至少能舒缓数年。

youdao

They proposed that the line of the Missouri Compromise be pushed west,all the way to the Pacific Coast.

VOA: special.2009.02.26

What the Department for Transport appears to have got chronically wrong in the case of the West Coast Main Line franchise is its assessment of the risk that attaches to projections by bidders of revenues in the latter years of the 15-year franchise.

BBC: What derailed the Transport Department

We've already seen 220 miles worth of levees and flood walls repaired, and we are working to strengthen the wetlands and barrier islands that are the first line of defense for the Gulf Coast. (Applause.) This isn't just critical to this region's physical protection, it's critical to our environment, it's critical to our economy.

WHITEHOUSE: President Obama Holds Town Hall in New Orleans

The upgrade of the east coast line is scheduled for completion by 2010.

BBC: Capital station to be 'rebuilt'