power的形容词词性是？
powerful adj. 强大的；强有力的；
The media has a powerful influence on public opinion.
传媒对于舆论有很大的影响。
He had become too powerful for their liking.
对于他们来说，他已变得过于强大。
Desire for status can be a powerful motivator.
追逐地位的欲望可以成为强大的动力。
Cities have a powerful magnetizing effect on young people.
城市对青年人有着强大的吸引力。
His powerful serve was too much for the defending champion.
他有力的发球使卫冕冠军难以招架。