power /ˈpauə/ n. 1.［u］权，政权，权力，势力：a political party in power执政党Police do not have the power to stop and search. 没有阻挡和搜查的权力。 2.［u］力量；能力：the hearing power 听力；beyond/out of one’s power 能力所不及 Knowledge is power.知识就是力量。 3.［c］强国：an industrial power 工业强国；great powers 列强 4.［u］电力，动力，功率：the power of the engine 发动机的功率 5. (数学)幂，乘方：The 3rd power of 2 is 8. 2的3次方是8。
powerful /ˈpauəful/ adj. 1.有力的：make a powerful speech发表有力的演说；a powerful blow 强有力的一击 2.强大的：a powerful nation 强国；a powerful people’s army强大的人民军队 Electric current is often powerful enough to kill. 电流常强得足以致命。
powerfully adv.有力地，强烈地
