The foothills were looming ahead through the haze.是什么意思？

The foothills were looming ahead through the haze.

丘陵地带透过薄雾朦胧地出现在眼前.

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。

foothills

n. 山麓丘陵地带，前陆；

例句
Pasadena lies in the foothills of the San Gabriel mountains.
帕萨迪纳坐落于圣加布里埃尔山麓的丘陵地带。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

looming

n. 上现蜃景（光通过低层大气发生异常折射形成的一种海市蜃楼）；v. 隐约出现，阴森地逼近( loom的现在分词 )，隐约出现，阴森地逼近；

例句
Another government spending crisis is looming in the United States...
另一场政府开支危机在美国一触即发。

ahead

adv. 在（某人或某事物的）前面，向前，预先，在将来，为未来；

例句
I peered ahead through the front screen...
我透过面前的挡风玻璃凝视前方。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

haze

n. 烟雾，迷蒙，迷糊，疑惑；vt.& vi. （使）笼罩在薄雾中，使变朦胧，使变糊涂；vt. 戏弄，欺凌，骑马放牧；

例句
The mist had been replaced by a kind of haze that seemed to amplify the heat...
薄雾散了，取而代之的是一种似乎更添酷热的烟霭。