My boots were caked with mud.是什么意思？

My boots were caked with mud.

我的靴子上有厚厚的一层泥。

my

adj. 我的(I的所有格形式)；int. 啊呀，天啊；

例句
Racial discrimination is abhorrent to my council and our staff...
我的顾问班子和全体工作人员都对种族歧视深恶痛绝。

boots

n. 擦靴人，长筒靴（ boot的名词复数 ），[品牌]博姿；

例句
The soldiers' boots resounded in the street...
士兵的军靴声在街上回荡。

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。

caked

adj. 沾满（厚厚的）…的；

例句
He moved all the caked and crusted dishes into the kitchen.
他把所有长期没洗的餐具都拿到厨房。

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。

mud

n. 泥，泥淖，没价值的东西，污物，<美俚>咖啡，诽谤的话；vt. 抹泥，钻入泥中；

例句
The boat beached on a mud flat...
船搁浅在一片淤泥滩上。