momentum

• n. 势头；[物] 动量；动力；冲力

1. an impelling force or strength;

"the car's momentum carried it off the road"

2. the product of a body's mass and its velocity;

"the momentum of the particles was deduced from meteoritic velocities"

Whether it's a sports team or a presidential campaign, everybody relishes having the big momentum, because it makes them harder to stop or change direction.

出自-2015年12月阅读原文

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline-powered cars to electric cars, or even a switch from an incandescent to a fluorescent light, understanding energy system inertia and momentum can help you decide whether their plans are feasible.

出自-2015年12月阅读原文

Unfortunately for them ( ' , and often the taxpayers), our energy systems are a bit like an aircraft carrier: they are unbelievably expensive, they are built to last for a very long time, they have a huge amount of inertia ( ' , meaning it takes a lot of energy to set them moving), and they have a lot of momentum once they are set in motion.

出自-2015年12月阅读原文

So a heavy object, like a football player moving at a high speed, has a lot of momentum — that is, once be is moving, it is hard to change his state of motion.

出自-2015年12月阅读原文

One kind of momentum is technological momentum.

出自-2015年12月阅读原文

Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.

出自-2015年12月阅读原文

Not only moving objects and people but all systems have momentum.

出自-2015年12月阅读原文

Momentum is said to be conserved.

出自-2015年12月阅读原文

In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.

出自-2015年12月阅读原文

Energy.systems, like an aircraft carrier set in motion, have huge momentum.

出自-2015年12月阅读原文

By far the biggest type of momentum that comes into play when it comes to changing our energy systems is economic momentum.

出自-2015年12月阅读原文

But there are other kinds of momentum as well.

出自-2015年12月阅读原文

But the momentum of incandescent lighting does not stop there.

出自-2015年12月阅读原文

Another type of momentum we have to think about when planning for changes in our energy systems is labor- pool momentum.

出自-2015年12月阅读原文

After all, we don't speak only of objects or people as having momentum; we speak of entire systems having momentum.

出自-2015年12月阅读原文

Another type of momentum we have to think about when planning for changes in our energy systems is labor-pool momentum.

2015年12月六级真题（第一套）阅读 Section B

In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum .

2015年12月六级真题（第一套）阅读 Section B

Momentum is said to be "conserved", that is, once you build it up, it has to go somewhere.

2015年12月六级真题（第一套）阅读 Section B

So a heavy object, like a football player moving at a high speed, has a lot of momentum — that is, once he is moving, it is hard to change his state of motion.

2015年12月六级真题（第一套）阅读 Section B

Unfortunately for them and often the taxpayers, our energy systems are a bit like an aircraft carrier : they are unbelievably expensive, they are built to last for a very long time, they have a huge amount of inertia meaning it takes a lot of energy to se

2015年12月六级真题（第一套）阅读 Section B

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline -powered cars to electric cars, or even a switch from an incandescent to a fluorescent light

2015年12月六级真题（第一套）阅读 Section B

The move to renewables is picking up momentum around the world: They now account for more than half of new power sources going on line.

2018年考研真题（英语二）阅读理解 Section Ⅱ

The world art market had already been losing momentum for a while after rising bewilderingly since 2003.

2010年考研真题（英语二）阅读理解 Section Ⅱ

The fight for his release gathers momentum each day.

争取使他获释的斗争声势日益加强。

牛津词典

They began to lose momentum in the second half of the game.

在比赛的下半场，他们的势头就逐渐减弱。

牛津词典

The vehicle gained momentum as the road dipped.

那辆车顺着坡越跑冲力越大。

牛津词典

This campaign is really gaining momentum...

该运动的势头越来越猛。

柯林斯高阶英语词典

They are each anxious to maintain the momentum of the search for a solution.

他们每个人都迫切希望能一直劲头十足地去寻求解决方案。

柯林斯高阶英语词典

Mr Obama's fundraising prowess gives him momentum.

奥巴马非凡的资金募集表现给了他力量.

期刊摘选

Gongce after entering the game, the number of online showing a continuous surge of momentum.

在游戏进入公测后, 在线人数呈现出不断飙升的态势.

期刊摘选

Radar, light, and other electromagnetic waves transfer momentum and energy through space.

雷达 、 光和其它形式的电磁波将其动量和能量通过空间输送出去.

辞典例句

Online sales will continue to gain momentum as the economic depression period continues.

“由于经济衰退持续,网上销售将继续获得动力”.

期刊摘选

It thus does not lose momentum, and leaves the solar system rapidly.

因此它不会失去动力, 并会迅速地离开太阳系.

期刊摘选

The car's momentum carried it off the road.

车的冲力使它脱离了道路.

期刊摘选

The truck gained momentum asrolled down the steep road.

卡车沿着“陡峭”的道路往下开时,冲力愈来愈大.

期刊摘选

He hopes to catch some of the momentum created by General Motors and carried by Chrysler.

他希望能抓住这个由通用开创、克莱斯勒推进的契机.

期刊摘选

Capitalizing on this momentum will serve American vital interests.

利用这一新动向符合美国的根本利益.

期刊摘选

Due to such overwhelming results, the idea of a second soundtrack gained momentum.

这样巨大的成功也成为制作第二张专辑的动力.

期刊摘选

The historical tide is surging forward with great momentum.

历史洪流气势磅礴,奔腾向前.

《现代汉英综合大词典》

Any rotating body has an angular momentum about its center of mass.

任何旋转的物体在其质心附近都有一个角动量.

期刊摘选

Gravity has stopped the momentum , and we think the unwinding is likely to continue.

当重力最后阻挡了旋转的动量, 我们会预计接下来的就是逆转.

期刊摘选

Momentum effect is a hot debate between Classical Finance Theory and Behavioral Finance Theory.

动量效应是经典金融理论与行为金融理论的一个争论焦点.

期刊摘选

The developed countries can't afford to ignore China's good economic momentum.

发达国家不能忽视中国经济发展的良好势头.

期刊摘选

Last year, exit momentum is powerful, about relatively on year break up one time.

去年, 出口势头强劲, 约较上年翻一番.

期刊摘选

The momentum of multinational companies investing in Shandong has not decreased.

跨国公司在山东投资势头不减.

期刊摘选

While prices in China remain above their levels last year, the momentum has clearly turned downward.

虽然中国的物价仍然高于去年水平, 但势头已经明显转为下行.

期刊摘选

This year, we have confidence that this good momentum will be maintained, said Zeng.

今年我们有信心把这个好势头保持下去.

期刊摘选

Outcome 1.2 . Set up and solve basic mathematical problems involving transport theorem, mass and momentum conservation.

目的1.2:设定和求解有关传输定理 、 质能守恒定理的基本数学问题.

期刊摘选

Momentum of the injector effluent streams can contribute to lateral flow, either intentionally or unintentionally.

喷注器单元喷注射流的动量可能有意或无意地影响横向流.

辞典例句

The sledge gained momentum as it ran down the hill.

雪橇从山上下冲时的动力越来越大.

《简明英汉词典》

A falling object gains momentum as it falls.

下落的物体落下时动量增加.

《现代英汉综合大词典》

As the dog sprang on me, I made use of its momentum to press it down and hold it there.

狗扑过来, 我就势把它摁住不放.

《现代汉英综合大词典》

The style prevails and picks up momentum.

这式样很流行,而且越来越流行.

《简明英汉词典》

来自拉丁语momentum,运动，变化，冲击，词源同moment,move.

1. Demands for his dismissal have gathered momentum in recent weeks.

最近几周，要求将他解职的呼声越来越高。

来自柯林斯例句

2. The fight for his release gathers momentum each day.

争取使他获释的斗争声势日益加强。

来自《权威词典》

3. The sledge gained momentum as it ran down the hill.

雪橇从山上下冲时的动力越来越大.

来自《简明英汉词典》

4. The historical tide is surging forward with great momentum.

历史洪流气势磅礴,奔腾向前.

来自《现代汉英综合大词典》

5. The style prevails and picks up momentum.

这式样很流行,而且越来越流行.

来自《简明英汉词典》

momentum (n.)

1690s, scientific use in mechanics, "quantity of motion of a moving body," from Latin momentum "movement, moving power" (see moment). Figurative use dates from 1782.