The invading army had massacred many of the garrison after capitulation.是什么意思？

The invading army had massacred many of the garrison after capitulation.

侵略军在守军投降后仍将多人屠杀了.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

invading

v. 侵入，侵略( invade的现在分词 )，涌入，侵袭，侵犯；

例句
The Romans and the Normans came to Britain as invading armies.
罗马人以及诺曼人通过军事入侵来到英国。

army

n. 军队，陆军，团体，野战军；

例句
The army refused to accept orders from the political leadership...
军队拒绝接受政界领导层下达的命令。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

massacred

N-VAR 大屠杀;大残杀；VERB 大规模屠杀;大规模残杀；

例句
300 civilians are believed to have been massacred by the rebels...
据信有300位平民被叛乱分子残杀。

many

adj. 许多，多的；pron. （与复数动词连用）大多数人；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

garrison

n. 守备部队，卫戍部队，要塞，驻防区，加里森；vt. 守卫，驻防；

例句
The Prussian garrison at Charleroi was falling back.
普鲁士驻沙勒罗瓦的部队正在撤退。

after

prep. …后的，（表示时间）在…以后，（表示位置、顺序）在…后面；conj. 在…以后；adv. 以后，继后；adj. 后来的，以后的；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

capitulation

n. （有条件的）投降，概要，协议，一系列条款；

例句
Lord Luce's capitulation to pressure from the Duke of Edinburgh has stored up huge problems for the future.
卢斯勋爵迫于爱丁堡公爵的压力作了让步，为日后埋下了巨大隐患。