作业帮很不懂这句话的意思,怎么弄清他的语法Examples of this type of change are the disappearance of the frontier in the latter part of the nineteenth century in the United States,and more universally,the industrialization of an agricultural
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很不懂这句话的意思,怎么弄清他的语法Examples of this type of change are the disappearance of the frontier in the latter part of the nineteenth century in the United States,and more universally,the industrialization of an agricultural
很不懂这句话的意思,怎么弄清他的语法
Examples of this type of change are the disappearance of the frontier in the latter part of the nineteenth century in the United States,and more universally,the industrialization of an agricultural society.
很不懂这句话的意思,怎么弄清他的语法Examples of this type of change are the disappearance of the frontier in the latter part of the nineteenth century in the United States,and more universally,the industrialization of an agricultural
（Examples of this type of change）（主语） are（系动词） （the disappearance of the frontier in the latter part of the nineteenth century in the United States,and more universally,the industrialization of an agricultural society.）（表语）
整体上来说这是一个主系表结构的句子,不过表语非常复杂而已.简化了就是
examples are the.and the.
译文：这种变化的例子有20世纪后半叶美国边境的消失以及更广泛地来说,农业社会的城市化进程.
这里有一个背景知识：20世纪后半叶第一次工业革命极大地促进了生产力的发展,美国广袤的田野被开发用来种植经济作物,尤其是棉花,以适应纺织业的迅猛发展.所以,很多曾经是边境（frontier）的地方也就不再是不可进入的荒芜之地了.
无论一个句子多么复杂,都要抓住它的主干,不要被附于其上的枝枝蔓蔓迷惑了眼睛.