用法区别就是两者表精力时意思是一样，其它具体的不同如下
energy中文意思是n.
能量;能源;精力;活力;干劲;力量;能;
例句
The system produced enough energy to heat several thousand homes.
系统产生的能量足以给几千户人家供暖。
vigour中文意思是n.
精力;力量;活力;热情;
例句
His health and vigour were unimpaired by a stroke
他的健康和精力在经历了一次中风后没有受到影响。
energy是泛指能量,而vigour是生命而来的力量。
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.
