impetus

1. 基本信息

词性：名词（noun），形容词（adjective）

发音：英 [ˈɪmpɪtəs]；美 [ˈɪmpɪtəs]

2. 名词

2.1 主要含义

1. 推动力；刺激：指激励或促使事物发展、变化的力量或动力。

2. 动力；动力源：指使行动或发展继续的力量或动力源。

2.2 词语辨析

impetus强调的是推动事物发展或行动的力量或动力源，侧重于外部因素；而motivation则指内心的动机或目标，强调内部因素。

2.3 柯林斯词典释义

1. 推动力；动力：Impetus is the force or energy with which a body moves or a process continues.

2. 动力源；促进因素：If something gives impetus to a process or activity or gives it an added impetus, it makes it happen or progress more quickly or effectively.

2.4 牛津词典释义

1. 推动力；促进因素：Something that encourages a particular activity or makes that activity more energetic or effective.

2. 动力源：An impetus is a force or influence that causes something to be done or to become more active.

2.5 词汇扩充

impetus for sth.：推动某事的原因/动力

give impetus to sth.：给予某事以推动力/促进

2.6 近义词

stimulus, incentive, boost, catalyst, momentum

2.7 反义词

obstacle, hindrance, impediment

3. 形容词

3.1 主要含义

1. 推动的；促进的：指能够推动或促进某事发展或进行的。

2. 有助于提高的：指能够帮助提高某事物的。

3.2 柯林斯词典释义

1. 促进的；推动的：Something that is impetus is the reason or motivation behind it, or the force that makes it happen or progress.

2. 有助于提高的：Something that is impetus helps to make a process or activity develop more quickly or effectively.

3.3 牛津词典释义

1. 推动的；促进的：Providing strong motivation or encouragement for someone or something.

2. 有助于提高的：Providing a force that helps something to develop more quickly or effectively.

4. 词语用法

impetus通常用作可数名词，表示推动力、动力或促进因素。作为形容词时，表示推动的、促进的。

5. 相关例句

1. Lack of funding has been the main impetus behind the project's delay. (impetus as a noun)
2. The discovery of oil provided an impetus for economic growth. (impetus as a noun)
3. She gave me the impetus to start my own business. (impetus as a noun)
4. The new tax policy has given impetus to the country's economic development. (impetus as a noun)
5. The impetus for change often comes from external factors. (impetus as a noun)
6. The impetus behind his decision to quit his job was a desire for a new challenge. (impetus as a noun)
7. The government hopes to give impetus to the economy through investment in infrastructure. (impetus as a noun)
8. The impetus for this research came from recent technological advancements. (impetus as a noun)
9. The impetus for the team's success was their strong teamwork. (impetus as a noun)
10. The impetus for the reforms came from public demand for change. (impetus as a noun)
11. The new policy has given an impetus to the development of renewable energy sources. (impetus as a noun)
12. Her success in the competition was the impetus she needed to pursue her dreams. (impetus as a noun)
13. The impetus behind the company's growth was their innovative products. (impetus as a noun)
14. The new marketing campaign provided an impetus for increased sales. (impetus as a noun)
15. The impetus to learn a language often comes from a desire to travel. (impetus as a noun)
16. The impetus for his change of career came from a desire for personal fulfillment. (impetus as a noun)
17. The impetus to exercise regularly can come from a desire to improve one's health. (impetus as a noun)
18. The team's recent victories have given them the impetus they need to win the championship. (impetus as a noun)
19. The impetus behind the project's success was their attention to detail. (impetus as a noun)
20. The impetus for the company's expansion came from increased demand for their products. (impetus as a noun)