n.守备队；驻地；要塞

v.派兵驻守

The garrison fought off the attackers. 驻军击退了袭击者。

The troops stormed against the garrison. 部队以猛烈的炮火轰击要塞守军。

The troops were amplified to protect the garrison. 兵力增强了,以保卫驻地。

The city garrison must be prepared to repulse attacks. 现在必须巩固要塞，囤积兵力来阻挡敌人的进攻。

Two regiments were sent to garrison the town. 派了两个团驻守在那个城镇。

100 soldiers were garrisoned in the town. 派了100名士兵在城里驻防。

garrison用作主语时，如侧重整体，则谓语动词用单数形式；如侧重个体，则谓语动词用复数形式。