及物动词
名词
1. 尘土;沙尘
Dust is very small dry particles of earth or sand.
2. 灰尘
Dust is the very small pieces of dirt which you find inside buildings, for example on furniture, floors, or lights.
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.
4. 擦去…的灰尘
When you dust something such as furniture, you remove dust from it, usually using a cloth.
1. fine powdery material such as dry earth or pollen that can be blown about in the air
e.g. the furniture was covered with dust
2. free microscopic particles of solid material
e.g. astronomers say that the empty space between planets actually contains measurable amounts of dust
3. the remains of something that has been destroyed or broken up