词汇(三):词根sist、cess/cede、mob、sed/sess
 

一、词根sist

词根sist:站立
变形:stitut,sta,st
1、
substitute:v.代替,替换
n.替代品
sub(在下面)+stitute(站立)→站在下面→替代品
e.g.Multivitamins are not substitute for exercise and a balanced diet,of course.
复合维他命当然不可能成为运动和均衡饮食的替代品。
substitute A for B/substitute B with A:用A替代B
e.g.The declining price of capital and the rising price of labor are strongly encouraging companies to substitute capital for labor.
资本价格的下降和劳动力价格的上升大大鼓励了公司用资本来代替劳动力。

2、
install:v.安装
in(里面)+stall(站)→站在里面→安装
e.g.We've just installed a fan to expel cooking smells from the kitchen.
我们刚在厨房安装了一个电扇来排出做饭时的气味。
installation:n.安装
installment:n.分期付款
e.g.He bought his housewife on the installment plan,paying a certain amount of money each month.
他通过分期付款的方式买了房子,每个月必须支付一定额度的钱款。
与房地产话题有关的短语:
real estate:房地产
down payment:首付
payment by installment:分期付款

3、
stationary:adj.静止的,固定的
sta(站立)+tionary→站立不动→静止的
e.g.The time slows down when your're traveling at high speeds relative to stationary objects.
当你相对于静止物体以高速进行运动的时候,时间就慢了下来。

4、
形近词辨析:status,statute,statue
status:n.地位,阶层
e.g.The court said it took into account the president's age,health and status as a former head of state when determining the sentence.
法庭说他们在决定刑期的时候已经把总统的年龄、健康情况以及作为一国前任领袖的身份考虑进去了。
take into account:把……纳入考虑范围
statute:n.成文法
statue:n.雕像,塑像
The Statue of Liberty:自由女神像

二、词根cess/cede

词根cess/cede:走
1、
access:n.通道
ac(强调)+cess(走)→不断地走→通道
have access to:有机会或有权利接近、使用某物
e.g.If systems are set up properly,staff can have access to all the resources they need wherever they have an internet connection.
如果系统设置合适的话,员工可以获取他们所需的所有资源,而不论在何地进行网络连接。
have access to all the resources:可以获取所有资源
accessible:adj.可到达的,可进入的
a program more accessible to young people:更容易被年轻人接受的项目
inaccessible:adj.不可进入的

2、
exceed:v.超出,超过
ex(出去)+ceed(走)→走出去→超过
e.g.When supply exceeds demand for any product,prices are liable to fall.
任何产品,当供给超过需求的时候,价格就会下降。
exceedingly:adv.非常,极端地
exceedingly angry/joyful/different:非常生气/高兴/不同
exceedingly的近义词:extremely,intensely,very
excessive:adj.过多的,极度的
excessive use:过度 使用
excessive amount of food:过多的食物
excessive consumption:过度消费
e.g.Our excessive dependence on OPEC has already taken a tremendous toll on our economy and people.
我们对OPEC的过度依赖已经给我们的经济和人民造成了重大损失。
take a toll on sth.:对……造成损害
OPEC:Organization of Petroleum Exporting Countries:石油输出国组织

3、
precedent:n.先例;(法)先前的判例
pre(前面)+cedent(走)→走在前面→先例
e.g.The court followed the precedent set in 1925.
法庭援引了一个1925年成立的判例。
unprecedented:adj.史无前例的
un(否定)+precedented(前例的)→史无前例的
e.g.This was the man whose album Thriller won an unprecedented 8 Grammy awards whlie breaking all music industry sales records in 1984.
这就是那个凭借专辑Thriller赢得了史无前例的8项格莱美的人,同时也打破了1984年所有音乐销售记录。

4、
succeed:v.成功,继承
suc(下面)+ceed(走)→往下面走,顺承下去→继承
succeed to sth.:继承某事物
e.g.Prince William will succeed to the throne of Britain.
威廉王子将继承英国王位。
successor:n.继承人
succeed in doing sth.:成功做到某事

三、词根mob:运动

1、
mobiles:adj.移动的
mob(运动)+ile→运动的,移动的
stationary:adj.静止的,不动的
mobile phones:移动电话
mobile devices:移动设备
mobile people:流动人口
e.g.Now,using the mobile phone as a bank account reduces the need to carry cash and enables users to pay utility bills and school fees.
现在把手机当作银行帐户可以减少随身携带现金的需求,并且能够让使用者支付物业账单、学校费用等等。
utility bill:物业账单
fee:n.费用

2、
近义词辨析:fee,fare,tuition
fee:n.专业服务费或者咨询费(如律师费、学校的费用)
an amount of money that you pay for professional advice or services
fare:n.车船费
the money that you pay to travel by bus,plane,taxi,etc.
air fares:飞机费
bus fares:公交车费
taxi fares:出租车费
tuition:n.大学的学费
the money that you pay to be taught,especially in a college or university

四、词根sed/sess

词根sed/sess:坐
1、
obsess:v.迷恋
ob(反向的)+sess(坐)→反向坐着→迷恋
to completely fill your mind so that you cannot think of anything else
e.g.It zmazes me how you constantly obsess over fictonal details when there are more important things.
我真好奇为什么你老纠结于一些科幻细节,现实生活中有更重要的事情值得操心。
obsession:n.迷恋
obsession with:痴迷于……对;对……着魔
e.g.Anderson fully used his keen sense of baseball strategy and his obsession with winning.
安德森充分利用了他对棒球策略的敏感以及他对胜利的痴迷。

2、
possess:v.拥有
po(朝向)+ssess(坐)→朝向……坐→拥有
possess a gun:拥有一把枪
possess a sense of humor:拥有幽默感
possession:n.拥有

3、
subsidy:n.补贴
sub(下面)+sid(坐)→坐在下面→补助
agricultural subsidy:农业补贴
state subsidy:政府补贴
e.g.The whole amount of subsidies that we have for housing is not in the end making everyone better off.
我们为了居住所拥有的所有数额的补贴,最终并没有让大家过得更好。
better off:更满意,更幸福