dusty

我在地下室发现了一把布满灰尘的旧椅子。

I found a ___dusty old chair in the basement.

图书馆的书架总是布满了灰尘。

The shelves in the library are always ___dusty.

暴风雨过后，外面的一切都覆盖着灰尘。

After the storm, everything outside was ___dusty.