Though it may be difficult to imagine from a later perspective, a strain of critical opinion in the 1920s predicted that sound film would be a technical novelty that would soon fade from sight, just as had many previous attempts, dating well back before the First World War, to link images with recorded sound. (TPO12, 54)

　　perspective /pə'spektɪv/ n. 透视法，透视图;远景;观点，看法

　　strain n. 品种，类型

　　我是分界线，大家先自己一遍速读哦。

　　(Though it may be difficult to imagine from a later perspective),a strain of critical opinion inthe 1920s predicted that sound film would be a technical novelty (that would soon fade from sight),(just as had many previous attempts, (dating well back before the First World War),to link images with recorded sound).(TPO12, 54)

　　托福阅读长难句100句分析：

　　这句话的主干就是a strain of critical opinion in the 1920s predicted that

　　修饰一：(Though it may be difficult to imagine from a later perspective)，从句

　　中文：虽然从以后的观点来看很难想象

　　修饰二：(that would soon fade from sight)，从句，修饰a technical novelty

　　中文：不久就会从视线里消失

　　修饰三：( just as had many previous attempts to link images with recorded sound)，从句，大家一定要注意这里的attempts to被插入语(dating well back before the FirstWorld War)隔开了，断句不要出问题

　　中文：就好像以前试图把图像和录音连接在一起的许多尝试一样。

　　修饰四：(dating well back before the First World War)，插入语

　　中文：追溯到一战以前

　　托福阅读长难句100句参考翻译：

　　虽然从以后的观点来看很难想象，但在20世纪20年代有一种批判的观点预测有声电影将会是不久就会从视线里消失的技术创新，就好像一战以前试图把图像和录音连接在一起的许多尝试一样。

　　这个句子的主要修饰成分就是从句、插入语，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。