dust 四级六级考研

I need to rid my room of dust before guests arrive.

我需要在客人到来前清房间里灰。

Dust quickly accumulates if we don't sweep our room.

我们如果不打扫房间, 灰很快就会积聚起厚厚一层。

It is difficult to see clearly at dust.

在黄昏时很难看清东西。

A lot of dust had blown in.

吹进来许多灰。

Dust on the surface brushes off easily.

表面灰容易掸掉。

The carriage left a trail of dust.

马车后扬起了一缕烟。

Firstly,the self-swash dust catcher with the unique overfall device was adopted to dedust,desulfate and denitrogena...

此类装置还可应用于矿山、化工和建材等领域湿法。

Clouds of dust billowed out as the cars passed.

汽车驶过时扬起滚滚土。

Her lectures are very useful, but they’re dry as dust.

她讲课很有用，可是却乏味得要死。

6 Therefore I reprehend myself, and do penance in dust and ashes.

为此，我收回我所说过话，坐在灰忏悔。

100,000 of the machines are gathering dust in stockrooms.

100,000 台机器正放在仓库里积灰呢。

There are particles of dust in the air.

气有粒。

The bookshelves were coated in dust.; The bookshelves were coated with dust.

书架上积了一层灰。

A cloud of dust on the horizon announced the arrival of the cavalryman.

天边扬起土说明骑兵来了。

There's fluff and dust under the furniture. Please clean it properly.

"家具下面还有一团团毛和埃,请彻底打扫一下。"

The expulsion of dust from the volcano was visible from miles away.

火山喷出灰几英里之外就能看得见。

There is a lot of dust on this table.

桌子上有许多灰。

The family decided to shake the dust off their feet and emigrate to Australia.

这一家人愤然离开, 移居澳洲。

She dusted off faster than a wind.

她飞快地跑开了。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明月球上布满了灰。