如题 谢谢各位大虾啦！

The list expanded noticeably after 1870, but even then much of what passed for the application of science was "engineering science" rather than basic science.

Nevertheless, by the middle of the nineteenth century, the rapid expansion of scientific

knowledge and of public awareness-if not understanding-of it had created a belief that the advance of science would in some unspecified manner automatically generate economic benefits.

The list expanded noticeably after 1870, but even then much of what passed for the application of science was "engineering science" rather than basic science.
9 x  t5 T# L8 W+ ]/ E# b1 T8 [这是两个分句，前一分句就不说了，后一分句主干是much was "engineering science"，of what passed for the application of science修饰much，9 T2 D6 E$ e3 p5 U: O( m% X) y  {' c& {
rather than basic science是补充说明的介词短语，这句话的大概意思是“由于科学应用而pass（消失？）的大部分是工程科学而不是基础科学”。
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1 B, N  M8 A- d% c1 n% K: z# \Nevertheless, by the middle of the nineteenth century, the rapid expansion of scientific knowledge and of public awareness-if not understanding-of it had created a belief that the advance of science would in some unspecified manner automatically generate economic benefits.
1 O6 w' T: T$ O, c, ]8 L$ g' h主干expansion had created a belief。if not understanding是插入语，可以不用管。

高手啊 谢谢 您说句子突破 我怎么练啊 ？

这个。。。看语法书，找那种有句子结构分析的
0 k8 N6 u$ u9 f. s) S或者，多请教高手