dusty的形容词形式

例句：

London was hot and dusty.

伦敦很热而且灰尘多。

Thick cobwebs hung in the dusty corners.

积有灰尘的`角落挂着厚厚的蜘蛛网。

The silver candlesticks were tarnished and dusty.

银烛台都发乌了，满是灰尘。