He left the street , and, entering fosse , began a circuit , scanning the walls with morbid fascination.是什么意思？

He left the street , and, entering fosse , began a circuit , scanning the walls with morbid fascination.

他离开大街, 顺着城壕开始巡行,带着一种病态的迷惑神情细看着这些城垣.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

left

adj. 左边的，左侧的，左派的；n. 左，左面，[军]左翼，左派，激进分子；adv. 向左，在左边；v. 离开( leave的过去式和过去分词)；

例句
All that digging had left a network of abandoned mines and tunnels.
东挖西掘后留下了一片废弃的矿坑。

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。

street

n. 大街，街道；

例句
On the far side of the street was a restaurant that looked acceptable...
远处街边有一家饭店看起来还可以。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

entering

v. 进入( enter的现在分词 )，进去，参加，登记；

例句
Convictions for criminal offences might lead to the persons concerned being debarred from entering the teaching profession.
因刑事罪名被定罪的罪犯将可能被禁止从事教师职业。

fosse

n. （尤指要塞中）长而窄的壕堑，坑道；

例句
The whole army begins to clamour for the fosse to be filled up.
全军都开始叫嚷着要将壕堑填平.

began

v. 开始( begin的过去式 )，着手，创始，创办；

例句
He began comically ad-libbing a script...
他即兴调侃起了一段剧本。

circuit

n. 电路，线路，巡回，唤醒，环形道，〔电〕电流；vt. 巡回，周游；

例句
She made a slow circuit of the room.
她绕着房间缓缓地走了一圈。

scanning

v. 扫描；

例句
A new technological marvel was invented at Cambridge University in England, the scanning electron microscope.
一项科技新奇迹在英国剑桥大学诞生了——这就是扫描电子显微镜。

walls

n. 墙( wall的名词复数 )，屏障，隔阂，壁垒；

例句
The walls were painted in muted tones to show the pictures to good advantage.
墙面被漆成了淡色调，以突出照片。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

morbid

adj. （兴趣、精神、思想等）病态的，疾病的，有成见的，令人毛骨悚然的，恐怖的；

例句
Some people have a morbid fascination with crime.
一些人对犯罪有一种病态的痴迷。

fascination

n. 魅力，迷恋；

例句
He had a fascination for submarines and joined this branch of the service.
他对潜艇非常着迷，因此加入了潜艇部队。