momentum

英 [mə'mentəm] 美 [moʊ'mentəm]

• n. 势头；动力；（物理）动量

双解释义

n. (名词)

1. [U]动力,冲力,势头

   force that increases the rate of development of a process; impetus

2. [U]运动量

   quantity of motion of a moving object, measured as its mass multiplied by its velocity

详尽释义

n. 名词

1. 动力，冲力
2. 势头，气势，声势
3. 冲量
4. 要素
5. 推进力
6. 【火箭】总冲量
7. 惰性
8. 契机
9. 活力
10. 【物】动量（物体质量与速度的乘积）
11. 动向
12. 冲向
13. 力量

英英释义

Noun:

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"
   

例句

用作名词 (n.)

1. 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。
2. We should continue to maintain good growth momentum.
   我们应继续保持良好的增长势头。
3. I am picking up momentum every single day.
   我现在每天都会获得动力。
4. The peace movement gained momentum.
   和平运动获得了动力。
5. The sledge gained momentum as it ran down the hill.
   雪橇从山上下冲时动量越来越大。
6. A falling object gains momentum as it falls.
   下落的物体落下时动量增加。
7. As the rock rolled down the mountainside, it gathered momentum.
   石头滚下山时，它的动量增加。

常见句型

用作名词 (n.)

1. The movement to change the union's constitution is slowly gathering momentum.
   修改工会宪章的运动正慢慢加强。
2. The style prevails and picks up momentum.
   这式样很流行,而且越来越流行。
3. The sledge gained momentum as it ran down the hill.
   雪橇从山上向下冲时的动量越来越大。

经典引文

• His momentum rolled him over and over down the incline.

  出自： J. Tyndall

• Tiredness vanished as the narrative gathered momentum.

  出自： R. Hayman

• Teenage friendships tend to develop their own momentum.

  出自： E. Pawel

词汇搭配

用作名词 (n.)

动词+～

• add momentum 增加动力,推动
• gain〔lost〕 momentum 增加〔失去〕动力

近反义词

【近义词】

• impetus 推动力
• thrust 刺
• force 武力
• push 推
• drive 开车
• energy 精力
• motion 移动
• impulse 冲动