power的形容詞無能為力的

　　A powerful snow storm is moving eastward.

　　一場猛烈的暴風雪正向東轉(zhuǎn)移。

　　There was a powerful smell of stale beer.

　　有一股濃烈的餿啤酒的氣味。

　　You need a powerful saw to cut through metal.

　　切割金屬需要用功率大的鋸。