冶金术发展相关托福长难句解析

冶⾦术发展相关托福长难句解析
冶⾦术发展相关托福长难句解析
托福阅读题中的长难句可谓是最让⼈头痛的存在了，下⾯是冶⾦术发展相关长难句的解析，希望能帮到⼤家!
Unlike in the Americas, where metallurgy was a very late and limited development, Africans had iron from a relatively early date, developing ingenious furnaces to produce the high heat needed for production and to control the amount of air that reached the carbon and iron ore necessary for making iron. (50)
metallurgy /'mɛtəlɝdʒi/ n. 冶⾦ (术,学)
ingenious /ɪn'dʒinɪəs/ adj.
1(指⼈)善於⽤新的或简单的⽅法解决复杂问题的，⼼灵⼿巧的;
2(指物件)设计独特⽽精巧的;
3(指主意)别出⼼裁的, 奇妙的
furnace /'fɝnɪs/ n. 熔炉
参考翻译：
不像在美洲，那⾥冶⾦术发展⾮常晚⽽且有限，⽽⾮洲拥有铁⽐较早，他们发展了独特⽽精巧的.熔炉，它可产⽣冶铁所需要的⾼温，并且控制接触碳和铁矿的空⽓⽤量以满⾜冶铁需要。

这个句⼦的主要修饰成分就是⾮谓语动词、介词短语以及从句，⼤家务必想清楚，每⼀个修饰成分修饰的是什么，才能看清楚这个句⼦的结构。

其实状语从句不是特别会影响⼤家对于句⼦的理解。

(Unlike in the Americas), (where metallurgy was a very late and limited development), Africans had iron from a relatively early date, (developing ingenious furnaces) ( to produce the high heat needed for production) and (to control the amount of air)( that reached the carbon and iron ore) (necessary for making iron.)
分析：
修饰⼀：(Unlike in the Americas),介词短语
中⽂：不像在美洲
修饰⼆：(where metallurgy was a very late and limited development) ,从句
中⽂：冶⾦术发展⾮常晚⽽且有限
修饰三：(developing ingenious furnaces) ,⾮谓语动词
中⽂：发展了独特⽽精巧的熔炉
修饰四：(to produce the high heat neededfor production),⾮谓语动词
中⽂：它可产⽣冶铁所需要的⾼温
修饰五：(to control the amount of air) ,⾮谓语动词
中⽂：控制空⽓的数量
修饰六：( that reached the carbon and ironore) ，从句，修饰air 中⽂：接触碳和铁矿
修饰七：(necessary for making iron. ) ，形容词短语，修饰air
中⽂：对于冶铁是有必要的
主⼲：Africanshad iron from a relatively early date
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