dust

1. N-UNCOUNT Dust is very small dry particles of earth or sand. 沙塵

Tanks raise huge trails of dust when they move. 坦克移動時掀起滾滾的塵土。

2. N-UNCOUNT Dust is the very small pieces of dirt which you find inside buildings, for example, on furniture, floors, or lights. 灰塵

I could see a thick layer of dust on the stairs. 我能看見樓梯上厚厚的一層灰塵。

3. N-UNCOUNT Dust is a fine powder which consists of very small particles of a substance such as gold, wood, or coal. 粉末

The air is so black with diesel fumes and coal dust, I can barely see. 天空由于充滿柴油機的濃煙和煤灰而如此黑，我?guī)缀蹩床灰姟?/p>

4. V-T/V-I When you dust something such as furniture, you remove dust from it, usually using a cloth. 去除灰塵

I vacuumed and dusted and polished the living room. 我把起居室吸了塵、撣了灰并且擦亮了。

5. V-T/V-I If you dust something with a fine substance such as powder or if you dust a fine substance onto something, you cover it lightly with that substance. 用 (粉狀物) 擦涂; 把 (粉狀物) 撒于

Lightly dust the fish with flour. 輕輕地把魚撒上面粉。

6. PHRASE If you say that something has bitten the dust, you are emphasizing that it no longer exists or that it has failed. 不復存在; 失敗[幽默，非正式]

In the last 30 years many cherished values have bitten the dust. 過去30年里許多值得珍惜的價值觀已經(jīng)不復存在。

7. PHRASE If you say that something will happen when the dust settles, you mean that a situation will be clearer after it has calmed down. If you let the dust settle before doing something, you let a situation calm down before you try to do anything else. 塵埃落定[非正式]

Once the dust had settled Beck defended his decision. 一旦塵埃落定，貝克就為自己的決定進行了辯護。

8. PHRASE If you say that something is gathering dust, you mean that it has been left somewhere and nobody is using it or doing anything with it. 閑置

Many of the machines are gathering dust in basements. 很多的機器閑置在地下室里。