英汉词典

1. 尘土;沙尘
    Dust is very small dry particles of earth or sand.

dust的反义词

    e.g. Tanks raise huge trails of dust when they move...
           坦克开动时扬起大量尘土。
    e.g. He reversed into the stockade in a cloud of dust.
           他在一阵尘土中将车倒进了围栏。

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

dust

    e.g. I could see a thick layer of dust on the stairs...
           我可以看见楼梯上有一层厚厚的灰尘。
    e.g. The rooms were empty of furniture and dust lay everywhere.
           房间里没有家具,到处都是灰尘。

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

dust

    e.g. The air is so black with diesel fumes and coal dust, I can barely see.
           空气中充斥着柴油烟雾和煤尘粉末,黑乎乎的,我几乎什么都看不见。

4. 擦去…的灰尘
    When you dust something such as furniture, you remove dust from it, usually using a cloth.

dust

    e.g. I vacuumed and dusted the living room...
           我用吸尘器打扫了客厅,擦了擦灰尘。
    e.g. She dusted, she cleaned, and she did the washing-up.
           她擦掉灰尘，打扫卫生，还清洗了餐具。