[北京]
大学英语四六级必考词组 helpful to
释义：
helpful to 对...有益；对…有帮助
例句：
Video games and TV might keep children engaged for hours on en...
[北京]
大学英语四六级必考词组 guilty of
释义：
guilty of 有……之过错；对……感到内疚
例句：
He was found guilty of murder.
经裁决，他犯有谋杀罪。
[北京]
大学英语四六级必考词组 energy-saving
释义：
energy-saving 节省能源的
例句：
The houses will boast the latest energy-saving technology.
这些房屋将采用最新...
[北京]
大学英语四六级必考词组 provide convenience for
释义：
provide convenience for 提供方便
例句：
Its traffic advantages provide convenience for your tourism...
[北京]
大学英语四六级必考词组 be replaced by
释义：
be replaced by 被…所取代
例句：
She was unceremoniously dumped to be replaced by a leader wh...
[北京]
大学英语四六级必考词组 major cause
释义：
major cause 主要原因
例句：
Faulty wiring is the major cause of house fires.
错误的供电线路是房...
[北京]
大学英语四六级必考词组 head way
释义：
head way [矿业] 通风联络巷道
例句：
Democrats have already made some head way in Michigan, where they&nb...
[北京]
大学英语四六级必考词组 conflict with
释义：
conflict with 冲突；与…抵触
例句：
These results conflict with earlier findings.
这些结果与早期的发现相矛盾...
[北京]
大学英语四六级必考词组 traffic accidents
释义：
traffic accidents 交通事故
例句：
Drinking and driving is one of the most common causes of traf...
[北京]
大学英语四六级必考词组 call for
释义：
call for 要求；需要；提倡；邀请；为……叫喊；前往接某人
例句：
The knee-jerk reaction to this is to call for prope...
[北京]
大学英语四六级必考词组 traffic engineering
释义：
traffic engineering 交通工程
例句：
In the past, there was often an automatic reaction to increase...
[北京]
大学英语四六级必考词组 pay a heavy price
释义：
pay a heavy price 付出惨痛的代价
例句：
And often, they pay a heavy price.
经常...
[北京]
大学英语四六级必考词组 enhance the quality of life
释义：
enhance the quality of life 提高生活质量
例句：
All of these application will enhance...
[北京]
大学英语四六级必考词组 speed limit
释义：
speed limit 速度限制；最高车速
例句：
The road has a 30 mph speed limit.
这条公路限定时速30英里。
[北京]
大学英语四六级必考词组 road networks
释义：
road networks 公路网;道路网络
例句：
It is common for supporters of road networks to reject the mod...
[北京]
大学英语四六级必考词组 make full use of
释义：
make full use of 充分利用
例句：
The head teacher insisted that we should make full use o...
[北京]
大学英语四六级必考词组 a pillar industry
释义：
a pillar industry 支柱产业
例句：
The coal trade is a pillar industry of our country.
[北京]
大学英语四六级必考词组 chlorine dioxide
释义：
chlorine dioxide [无化] 二氧化氯
例句：
Now let's look at how Chlorine Dioxide really works, ...
[北京]
大学英语四六级必考词组 carbon dioxide
释义：
carbon dioxide [无化] 二氧化碳
例句：
Dissolved carbon dioxide makes the water more acidic.
...
[北京]
大学英语四六级必考词组 non-renewable resources
释义：
non-renewable resources 不可再生资源；非再生资源
例句：
The coal is the non-renewable resources, the reserves...
