...a brass fender.是什么意思？

...a brass fender.

铜制壁炉围栏

brass

n. 黄铜，铜管乐器，钱，黄铜饰品（尤指马挽具上的黄铜圆片）；v. 〈英〉付（款），[冶]把…包铜，〈口〉无耻地胡搞；

例句
All their beds were distinctive; Mac's was an iron affair with brass knobs...
他们的床都各具特色；马克的床是张带球形黄铜柱头的铁家伙。

fender

n. （车辆的）挡泥板，防御物，火炉围栏；

例句
When my father learned that I had smashed a fender on the car,he blew his top.
当我父亲知道我撞坏了汽车的一个挡泥板时,他勃然大怒。