都说托福阅读部分文章有难度，其实这种难度很多时候来自于文章中的长难句。这些句子结构复杂内容繁多，考生如果无法快速正确地看懂它们必然会影响对文章的理解和解题效率。所以下面美征小编就为大家带来托福阅读100个长难句的精选汇总和深度解析，为大家提供学习指点和启发。
托福阅读100个长难句实例分析
原句案例：
This “atmospheric engine,” invented by Thomas Savery and vastly improved by his partner, Thomas Newcomen, embodied revolutionary principles, but it was so slow and wasteful of fuel that it could not be employed outside the coal mines for which it had been designed.
词汇讲解：
embody /ɪm'bɒdɪ/ v. 体现(想法﹑ 感情等)，使(想法﹑ 感情等)具体化;包括或含有某物
revolutionary /'rɛvə'lʊʃə'nɛri/ adj. 革命的
employ = make use of sb/sth 使用
结构划分：
This “atmospheric engine,” (invented by Thomas Savery and vastly improved by his partner, Thomas Newcomen,) embodied revolutionary principles, but it was so slow and wasteful of fuel (that it could not be employed outside the coal mines) (for which it had been designed.)
展开全文深度分析：
修饰一：(invented by Thomas Savery and vastly improved by his partner, Thomas Newcomen,) ，插入语，修饰this “atmospheric engine”，大家注意这里的断句，This “atmospheric engine” embodied revolutionary principles被隔开了，断句很重要
中文：由Thomas Savery发明并由他的搭档Thomas Newcomen大力改善的
修饰二：(that it could not be employed outside the coal mines) ，从句，so…that结构
中文：不能在煤矿的以外的地方使用
修饰三：(for which it had been designed.) ，从句，修饰coal mines
中文：引擎被设计
参考翻译：
这个由Thomas Savery发明并由他的搭档Thomas Newcomen大力改善的“大气引擎”体现了革命性的原理，但它如此慢和浪费燃料以致于不能再煤矿的以外的地方使用，尽管原来是这么设计的。
托福阅读中的长难句虽然会对考生造成一定的干扰，但只要考生具备了快速看懂理解它们的能力，其实长难句也并非难以应对，希望