battalion

n.营（军队单位）；军队；大批

This battalion is composed of 800 soldiers. 这个营是由八百个人组成的。

Battalion headquarters has approved the retreat. 军队总部已同意撤退。

A whole battalion of soldiers surrounded us in a tight ring. 整个军队把我们紧紧地包围在包围圈中。

But the activist scoffs at the notion that entire battalions of spies had suddenly appeared in Russia. 但是，活动人士对俄罗斯突然出现大批间谍的说法嗤之以鼻。