VOA常速英语2008年-Helping Environment Good for Business
时间：2019-02-06 作者：英语课 分类：VOA常速英语2008年（四月）
英语课
By Ernest Leong
Washington
15 April 2008
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momentum
n.动力，冲力，势头；动量
参考例句：
We exploit the energy and momentum conservation laws in this way.我们就是这样利用能量和动量守恒定律的。
The law of momentum conservation could supplant Newton's third law.动量守恒定律可以取代牛顿第三定律。
Washington
15 April 2008
The push to become more environmentally friendly is gaining momentum 1 in the Washington area. The first all-hybrid taxicab fleet in the U.S. recently opened for business just outside the nation's capital. VOA's Ernest Leong reports business for Envirocab is great - which is good news for their bottom line and the environment.
点击
收听单词发音 1
momentum
n.动力，冲力，势头；动量
参考例句：
We exploit the energy and momentum conservation laws in this way.我们就是这样利用能量和动量守恒定律的。
The law of momentum conservation could supplant Newton's third law.动量守恒定律可以取代牛顿第三定律。