The panelled walls were covered with portraits...是什么意思？

The panelled walls were covered with portraits...

镶有嵌板的墙上挂满了肖像。

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。

panelled

adj. （房间）有护墙板的，（墙、门或窗）镶有嵌板的；

例句
...a large, comfortable, panelled room...
装有护墙板的舒适的大房间

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。

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。

covered

adj. 大量的，有遮盖物的，（尤指）有顶的；v. 覆盖( cover的过去式和过去分词)，掩护，包括；

例句
I covered the scroll in sealing wax, and affixed a red ribbon.
我用封蜡将卷轴封好，并系上一根红丝带。

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。

portraits

n. 肖像，画像( portrait的名词复数 )，生动的描写；

例句
...the ancestral portraits in the hallway.
走廊里祖先的画像