n. 灰尘, 尘埃, 粉末, 花粉, 土, 骚乱
vt. 拂去灰尘, 撒, 弄成粉末
vi. 拂去灰尘, 化为粉末
英文释义
n. fine powdery material such as dry earth or pollen that can be blown about in the air
n. free microscopic particles of solid material
v. remove the dust from
v. rub the dust over a surface so as to blur the outlines of a shape