n.冲动，强烈欲望，理由，缘由

The rocket was given a powerful impulsion by the engines.
这枚火箭由引擎提供了强大的推力。
The new policy is expected to provide a significant impulsion to economic growth.
预计新政策将对经济增长提供显著的推动。
The athlete received an impulsion from the starting pistol and sprinted ahead.
起跑枪声一响，这位运动员获得了冲刺的动力，迅速冲在了前面。
The company's innovative approach is giving it an impulsion in the market.
该公司的创新方法正在为其在市场上提供动力。
The government's decision to increase spending will give the economy an impulsion.
政府决定增加开支将为经济提供动力。
The impulsion of the wind was strong enough to knock over the small tree.
风的力量足以把小树吹倒。
The team received an impulsion from their coach's encouraging words.
教练的鼓励话语给了队员们前进的动力。
The project needs a financial impulsion to get off the ground.
这个项目需要资金的推动才能启动。
The artist's latest exhibition provided him with a much-needed impulsion.
这位艺术家最新的展览为他提供了急需的动力。
The impulsion of the crowd's cheers was enough to boost her confidence.
群众欢呼的推动足以提升她的自信。