Makin said Mr Coombes had gone to the police of his own volition.是什么意思？

Makin said Mr Coombes had gone to the police of his own volition.

梅金说库姆斯先生是主动去投案的。

Makin

[人名] [北方英格兰人姓氏] 梅金 May的昵称，[人名] [北方英格兰人姓氏] 梅金绰号，女子相貌的男子，来源于中世纪英语，含义是“少女”(maiden)+昵称后缀kin；

said

adj. [律]上述的，少说为妙，（做）某事有/没有很多优点（或好处）：某事物有/没有多少可说的，说到底；v. 说，讲( say的过去式和过去分词 )，表明，念，说明；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

Mr

abbr. Mister 先生，Master 少爷，Mother 母亲，molecular radius 分子半径；

例句
According to police accounts, Mr and Mrs Hunt were found dead on the floor of their kitchen.
据警方称，亨特夫妇被发现死在家里厨房的地板上。

Coombes

[人名] 库姆斯；

例句
Makin said Mr Coombes had gone to the police of his own volition.
梅金说库姆斯先生是主动去投案的。

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。

gone

adj. 过去的，用完了，死去的，无望的，无可挽救的；v. go的过去分词；

例句
We have seen this as an attempt to place the blame for a policy that has gone adrift.
我们已经认识到，这是把责任归咎于一项已偏离方向的政策的一种企图。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

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。

police

n. 警察部门，警方，警察，治安；vt. （警察、军队等）巡查，维护治安，（委员会等）监督，管制；adj. 警察的，有关警察的；

例句
A police investigation yesterday absolved the police of all blame in the incident.
警方昨天的调查廓清了其在此事件中的任何责任。

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。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

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

own

n. 自己的事物，自己人；vt. 拥有，承认；vi. 承认；adj. 自己的，特有的；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

volition

n. 意志，意愿，决定，选择；

例句
He felt as though he were in the grip of Fate and had no volition of his own.
他感觉自己好像被命运掌控，毫无自主选择的余地。