energy和vigour的用法区别，谢谢

energy泛指能量
vigor指体力精力这种生命性质的能量

energy是物理上的“能”如
Heat is a form of energy.
用在人身上指生理上的“精力”如：
What impressed us most was his seemingly inexhaustible supply of energy

Vigour“活力”由生命来的力量如
Although he is over sixty now,he has not lost his youthful vigour.
参考资料：http://chat.pep.com.cn/lb5000/printpage.cgi?forum=10&topic=2028