形容词

1. (通常指因为少雨而)布满灰尘的,满是尘土的
If places, roads, or other things outside are dusty, they are covered with tiny bits of earth or sand, usually because it has not rained for a long time.

2. (房子、物件等)覆有灰尘的,尘封的
If a room, house, or object is dusty, it is covered with very small pieces of dirt.

1. lacking originality or spontaneity
no longer new

e.g. moth-eaten theories about race
stale news

Synonym: coldstalemoth-eaten

2. covered with a layer of dust

e.g. a dusty pile of books

Synonym: dust-covered