守备部队的英文：
garrison
n. 守备部队；要塞，驻防区
v. 驻守
For months the beleaguered garrison refused to surrender
一连数月，被围困的驻军都拒绝投降。
This unit is under the command of the municipal garrison.
这支部队隶属市警备区。
No other soldiers were garrisoned there.
那里没有其他驻防士兵。
The troops were amplified to protect the garrison.
兵力增强了，以保卫驻地。
British troops still garrisoned the country.
英军依然驻守在该国。