2018考研英语必背长难词（17）
英语中总会遇到一些又长又难的词汇，记忆有难度。但如果结合句子来看，相信会容易不少。新东方在线整理了一些真题中常考的一些长难词，结合真题例句和翻译，大家加深记忆。2018考研英语必背长难词（17）
environmental a.周围的，环境的
[真题例句] Environmental factors can never be totally eliminated; as Hayward
points out, “We can’t prepare a medicine against cosmic rays.”
[例句精译] 环境因素永远无法完全消除，正如海沃德所指出的那样：“我们无法准备出一种抗宇宙射线的药。”
effectiveness [əˈfektɪvnɪs] n.效果，效力
[真题例句] Kitcher is a philosopher, and this may account, in part, for the
clarity and effectiveness of his arguments.
[例句精译] 肯切尔是位哲学家，这也许能部分说明他的理论为何明确而有说服力。
dispassionate a.冷静的，平心静气的
[真题例句] Social science is that branch of intellectual enquiry which seeks to
study humans and their endeavors in the same reasoned, orderly, systematic, and
dispassionate manner that natural scientists use for the study of natural
phenomena.
[例句精译]社会科学是知识探索的一个分支，它力图像自然科学家研究自然现象那样，用理性的、有序的、系统的和冷静的方式研究人类及其行为。
disappearance [ˌdisəˈpiərəns] n.消失
[真题例句] Mr. McWhorter’s academic speciality is language history and change,
and he sees the gradual disappearance of “whom”, for example, to be natural and
no more regrettable than the loss of the case-endings of Old
English.
[例句精译] 麦克沃特先生的学术专长在于语言史和语言变化，举例来说，他认为“whom”一词的逐渐消失是很自然的，并不比旧式英语中词格的消失更让人惋惜。
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