dusty
单词辨析：
最普通用词，指不干净的、沾满污物的。
Your hands are dirty.
你的手脏兮兮的。
The man in a dirty coat is a miner.
那个穿着一件脏外套的人是个矿工。
指某处满是灰尘或尘土飞扬的。
a dusty street
满是灰尘的街道
Clean the dusty windows before you move out.
搬出去之前把灰尘覆盖的窗户擦干净。
指由于东西腐烂、发出恶臭等而污浊不堪的。
a foul pond
发出恶臭的池塘
The foul air in the tunnel almost suffocated him.
隧道里的污浊空气差点让他窒息而亡。
相关例句：
This truck was heading on a dusty dirt road, descending into a small valley.
卡车在尘土飞扬的路上飞驰，下到一个小山谷。
You were very dusty and went up to my room to wash.
你身上土很多，上楼到我房间里去洗一洗。
The books looked faded, dusty and unused.
那些书看上去褪了色，尘封已久。
It's very windy and dusty here in winter.
这里冬天风沙很大。
I was very dusty and dirty and went up to my room to wash.
我满身尘土十分脏，于是，上楼到我房间里去洗一下。
Do not use it in hot, cold, dusty or humid circumstances.
不要在特别热、冷、多灰尘或潮湿的环境中使用本产品。