求分析一个句子GWD28-Q20

萤火虫把夜烧了 · 发表于 2013-5-4 23:58:04

In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and as canals and eventually railroads reached into the region, substantial supplies of coal were
exported to the nation’s growing mills, forges, factories, and railways.

请问，它这里想要表达的意思是说，（anthracite coalfields opened in eastern Pennsylvania）发生，and as【我理解为随着】 canals and 【并且】eventually【最终】 railroads这两个东西reached into the region（这里是不是强调C和R都reach the region了，但是有一个先后关系？？）！！！然后，后面的发生了——即substantial supplies of coal were exported to the nation’s growing mills, forges, factories, and railways.

ps：比较凌乱了。。。
In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and as canals and eventually railroads reached into the region, // substantial supplies of coal were
exported to the nation’s growing mills, forges, factories, and railways.

bejamin1111 · 发表于 2013-5-5 00:18:10

支持你的理解啊！
and连接的两个并列句子是由anthracite coalfields 和 substantial supplies of coal 为主语的两个句子；
as结构表示伴随，其中应该是现有 canals 再有railroad.

萤火虫把夜烧了 · 发表于 2013-5-5 00:35:11

bejamin1111 发表于 2013-5-5 00:18
支持你的理解啊！
and连接的两个并列句子是由anthracite coalfields 和 substantial supplies of coal 为 ...

thx thx~~~看帖的时候发现大家都在攻其他错误，我反而觉得这个句子好诡异啊~~~前面两个由and连接的分句后面怎么可以直接跟substantial的那个呢？？也没有一个连接词啊，没有并列转折让步。。。

兰心寒 · 发表于 2013-12-17 10:25:03

萤火虫把夜烧了发表于 2013-5-5 00:35
thx thx~~~看帖的时候发现大家都在攻其他错误，我反而觉得这个句子好诡异啊~~~前面两个由and连接的分句后 ...

In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and
                                                                                                   as canals and
                                                                                                         eventually railroads reached into the region,
                                                                                                    substantial supplies of coal were exported to the nation’s growing mills, forges, factories, and railways.

求分析一个句子GWD28-Q20

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