We should constantly exercise our muscles.是什么意思？

We should constantly exercise our muscles.

我们应当经常锻炼肌肉。

we

pron. 我们，咱们，笔者，本人，朕，人们；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

should

应该，将会，可能，本应；

例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

constantly

adv. 不断地，时常地，始终，一直；

例句
Her dedication constantly astonishes me.
她的奉献精神总是让我震惊。

exercise

n. 练习，运动，训练，运用；vi. 锻炼，训练，练习；vt. 锻炼（身体某部位），使焦虑，使忧虑，实行，发挥（作用），运用；

例句
This was not an academic exercise — soldiers' lives were at risk...
这不是纸上演习——士兵的生命受到了威胁。

our

pron. 我们的，we的所有格形式，<口>我们家，敝；

例句
Roland was taken aback by our strength of feeling...
我们反应如此强烈，令罗兰大吃一惊。

muscles

n. 肌肉( muscle的名词复数 )，（操纵他人的）力量，权力，肌肉组织；

例句
She could see the muscles of his shoulders beneath his T-shirt...
她可以看到他T恤衫下的肩部肌肉。