dust
noun
verb
dʌst noun
1 dry powder consisting of extremely small bits of dirt that is in buildings on furniture, floors etc if they are not kept clean 灰尘，尘埃
All the furniture was covered in dust .
所有的家具都蒙上了灰尘。
a thick layer of dust
厚厚的一层灰尘
There’s not a speck of dust in the kitchen.
厨房里一尘不染。
gather/collect dust (become covered with dust) 染上灰尘，积尘
Her old trophies were collecting dust on the shelves.
她的旧奖杯在书架上起了灰尘。
Dust particles floated in the sunlight.
阳光里飘浮着尘粒。
A sudden breeze sent motes of dust (=small bits of dust) dancing in the air.
突然刮起一阵微风，吹得灰尘飞扬。
2 dry powder consisting of extremely small bits of earth or sand 沙土，尘土
The wind was blowing dust and leaves up from the ground.
风把尘土和树叶从地上吹起来。
A car sped past in a cloud of dust .
一辆汽车在一片尘埃里疾速驶过。
3 powder consisting of extremely small bits of a particular substance 粉末，粉尘
coal/brick/chalk etc dust
4
a dust
the act of dusting something [英] 掸灰，去尘 BrE
I need to give the sitting room a dust .
我要把起居室的灰尘掸一掸。
5
let the dust settle/wait for the dust to settle
to allow or wait for a confused situation to become clear 让尘埃落定/等待情况明朗
verb
6 to clean the dust from a surface by moving something such as a soft cloth across it 擦（…的灰尘），打扫 I,T
Rachel dusted the books and the bookshelves.
雷切尔给书和书架擦灰尘。
I was dusting in the bedroom when the phone rang.
我正在卧室里打扫，电话铃响了。
7
dust down, dust off
also 又作 to remove something such as dust or dirt from your clothes by brushing them with your hands 〔用手〕掸（…的灰） T
He got to his feet and dusted his knees.
他站起来拍拍膝上的灰尘。
dust yourself (down/off)
Corbett dusted himself down and walked off.
科比特掸掸身上的灰走开了。
8 to put a fine powder over something 将〔粉状物〕撒于 T
dust sth with sth
Dust the biscuits with icing sugar.
把糖粉撒在饼干上面。
9 to remove something such as dust or dirt from your clothes by brushing them with your hands 除去〔某物的尘灰〕; 擦净
They were dusting off leaves and twigs.
他们在擦树叶和树枝上的灰尘。
dust yourself off
He got to his feet and dusted himself off.
他站起来拍拍灰。
10 to get something ready in order to use it again, after not using it for a long time 把〔长期不用的东西〕备好待用，准备重新使用
The government is dusting off schemes for supporting creative industries.
政府准备重新采用支持创造性行业的方案。