Its huge columns were wreathed with laurel and magnolia.是什么意思？

Its huge columns were wreathed with laurel and magnolia.

其巨大的立柱为月桂和木兰花所环绕。

its

pron. (it的所有格形式)它的，厥；

例句
The government is to accelerate its privatisation programme.
政府将加快其私有化计划的进程。

huge

adj. 巨大的，庞大的，极大的；

例句
Thousands of farmers from across Europe have held a huge demonstration in the centre of Brussels...
来自欧洲各地的数千农民在布鲁塞尔市中心举行了大规模的示威游行。

columns

n. 柱( column的名词复数 )，纵队，栏，（舰队的）纵列；

例句
There were reports of columns of military vehicles appearing on the streets.
有报道说几队军用车辆出现在街头。

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。

wreathed

v. （完全地）笼罩( wreathe的过去式和过去分词 )，包围，覆盖，将…扎成圈（或环）；

例句
The ship was wreathed in smoke...
船笼罩在烟雾中。

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。

laurel

n. （表示荣誉的）桂冠，光荣，[体]〈美〉（比赛的）胜利，[植]月桂树，月桂树叶；

例句
Stan Laurel was born at number 3, Argyll Street...
斯坦·劳雷尔出生在阿盖尔街3号。

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。

magnolia

n. [植] 木兰，木兰花，玉兰类的植物，奶白色；adj. 木兰科的；

例句
Yulan magnolia can adapt to a variety of soils.
玉兰花能适应各种土壤.