考研英语复习过程中，一些又长又难的词汇总是让同学们头疼。海天考研小编整理了一些常考的长难词，希望对大家有所帮助。

manufacturing、n.制造业;a.制造业的

[真题例句] They show that, if you lump manufacturing (n.) and services together, productivity has grown on average by 1.2% since 1987.[1998年阅读2]

[例句精译] 这些数据表明，如果把制造业和服务业合起来算，1987年以来生产力平均增长1.2%。

[真题例句] Human ingenuity was initially demonstrated in _____.[2002年阅读2]

[B] the wide use of machines in manufacturing (a.) industry

[例句精译]人类的创造力最早表现在_____。

[B] 机器在制造业的广泛使用

manifestation、n.显示，表现，示威运动

[真题例句] At Time Warner, however, such questions are simply the latest manifestation of the soul-searching that has involved the company ever since the company was born in 1990.[1997年阅读4]

[例句精译] 不过，对于成立于1990年的时代华纳公司而言，这样的质问仅仅只是公司自我反思的最新表现.

manifestation、n.显示，表现，示威运动

[真题例句] At Time Warner, however, such questions are simply the latest manifestation of the soul-searching that has involved the company ever since the company was born in 1990.[1997年阅读4]

[例句精译] 不过，对于成立于1990年的时代华纳公司而言，这样的质问仅仅只是公司自我反思的最新表现.

knowledgeable、a.知识渊博的，有见识的

[真题例句] “Instead of intimate shops catering to a knowledgeable elite.” these were stores “anyone could enter, regardless of class or background. This turned shopping into a public and democratic act.”[2006年阅读1]

[例句精译] “不像那些个人商店那样，只满足有学识的精英人士的需求”，这些商店“不论阶级与背景，任何人都能进入。这推进了购物大众化和民主化的进程。”