学习资料

[意       思]n.尘土；尘埃
[例]  His clothes were covered with dust. 他衣服上全是灰尘。

更多意思

n.1.  尘土，沙尘
2.  积尘，尘埃
3.  粉尘

vt.1.  擦去……的灰尘，擦拭
2.  把（粉末）撒于，撒（粉）

vi.1.  擦灰
2.  掸去，擦去，刷去

参考例句

1.	Another of my great ideas bites the dust !
	我的一个好主意又碰壁了！
2.	Dust and dirt soon accumulate if a house is not cleaned regularly.
	房屋不经常打扫,尘土很快就越积越多。
3.	Eddies of dust swirled in the road.
	路上尘埃滚滚。
4.	The horses' hooves raised a cloud of dust .
	马蹄扬起了一片尘土。
5.	Dust had collected on the window-sill.
	窗台上积了灰尘。