形容詞 dusty:

1. covered with a layer of dust
   同義詞：dust-covered
2. lacking originality or spontaneity; no longer new
   同義詞：stale, moth-eaten

1. My eye alighted on a dusty old book at the back of the shelf.
   我偶然發(fā)現(xiàn)在書架後面有一本滿是灰塵的舊書。
2. The dusty road made the travelers dusty too.
   滿是塵土的路弄得行人也滿面塵土了。

dust.y

adj.（形容詞）
dust.i.er,dust.i.est
Covered or filled with dust.
多塵的：為灰塵覆蓋的或布滿塵土的
Consisting of or resembling dust; powdery.
塵狀的：由塵土構(gòu)成的或形似塵土的；粉狀的
Tinged with gray.
淺灰色的
Timeworn; stale:
枯燥無味：干巴巴的；干癟的：
例句：
the dusty precepts of a bygone era.
過去時(shí)代的枯燥戒律

【引伸】
dust.ily
adv.（副詞）
dust.iness
n.（名詞）