Each legion contained between 3000 and 6000 soldiers.是什么意思？

Each legion contained between 3000 and 6000 soldiers.

一个军团有三千到六千名士兵。

each

adj. 每，各自的；pron. 每个，各自；

例句
They were completely absorbed in each other...
两人彼此倾心。

legion

n. 大批部队，众多，大量，古罗马军团；adj. 众多的，大量的；

例句
The British Legion raises funds to help ex-service personnel and their dependants.
英国退伍军人协会筹集款项帮助退役人员和他们的家属。

contained

v. 控制( contain的过去式和过去分词 )，克制，牵制，包含；

例句
Act II contained one of the funniest scenes I have ever witnessed...
第二幕里有我看过的最搞笑的场面之一。

between

prep. 在…之间，私下，暗中，在…中任择其一，来往于…之间；adv. 当中，中间；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

soldiers

n. 士兵，军人( soldier的名词复数 )，兵员，士卒；

例句
13 soldiers were killed and 10 wounded in action.
战斗中有13名士兵阵亡，10名士兵受伤。