新概念英语第四册重要知识点：Non-auditory Effects of Noise已发布，欢迎大家查看。新概念英语第四册内容主要针对的是基础比较薄弱的同学，为了方便同学们可以更好地巩固英语基础，小编还整理了新概念英语第四册课文、新概念英语第四册音频相关内容，便于同学们一起学习!
New words and expressions 生词短语
likely=possibly
deposited=saved=piled up 堆积
mud (from the seashore)
the man and the like: 就他那样的人(否定意义)
cover over: 全部覆盖
第一段：强调句
1. 加原因状语
2. 加地点状语
favourable=good=ideal
small fraction 小部分
that die 已死的或将要死的
feed on: 靠……为生 I feed on feed rice. (F) I feed the baby.
live by: 通过 live by the hands 自力更生 live by the mountains
live on=feed on
dead or alive 连缀形容词要做后置定语
ecological chain: 生物链 the law of the jungle, survival of the fittest
chance=accidental 偶尔 chance meeting 邂逅 chance company 萍水相逢
on land 陆路
seldom=hardly
innumerable=numerous
see sb doing sth.
fly about: 四外飞翔 go about: 转一转
not to mention: 更不用说=let alone=not to speak of
it is very rarely…(强调句，强调状语)
come across=run into
带 other，一般用单数词，any(some)other: 任何一个
traces=remains
as…as…
when: 时间状语(接 by falling into inaccessible caves, or into an ice
crevasse…)
refrigerator: refrige
preserved: 做主语的宾语补足语
in good condition: 完好状态
tar pits: 焦油坑
collected=assembled 汇集
the carnivores: 肉食动物
Notes on the text 课文注释
industry 工业方面，工业界
Services: in America means army;
serviceman: 军人 ex-serviceman 退伍军人
总统
ex-wife 前妻 My ex-job is a secretary.
ex-president 前总统
present president 现任
on the one hand.. on the other hand 一方面……，另一方面……
most 前不加定冠词相当于 very
good cause=good thing
and 在这儿表转折
mental illness 精神病
weekly newspaper 周刊报纸
head with 头版头条 carry the news on the front page
considerable 极度的
reduce(在这)=made (reduce to tears; reduce to laughter; reduce to a
skeleton)
text 文字说明;turning to 转向;on: as soon as
anecdote 轶闻(大多数情况下 unreal)
might well 或许可以
symptom=sign
cautious=careful
statement 这桩事
equally 同样地
might well/may well=have reason to do sth. or be reasonable
She may well be proud of her son. 她有理由为她的儿子骄傲。
You may well refuse him. 你有理由拒绝他。
the United States Navy 美国海军
aerodrome 机场 motordrome 赛车道 parking lot 停车场
share with 与……共住，与……一起
psychiatric interviews 精神病的采访
objective test 问卷调查，客观题
say=for example
hazard=danger
本文是一个 sophistry(诡辨术) critical eye; eagle eye 辨析力
aero- 航空 drome 场所
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