Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.

人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层。

After fumes and rock dust have settled the rock brought down by the explosion is removed often on conveyor belts.

等硝烟和尘埃散尽后，再将炸下的岩土运出去，通常是用传送带。

And some people said the snow in winter is very beautiful, have written poem yuan only saw "the cloud cover, the likelihood has surprised rock dust;"

也有的人说冬天的雪很美，元稹有句诗写过“才见岭头云似盖，已惊岩下雪如尘；

Rings of dust, rock, and ice encircle all these giants, with Saturn's being the most famous.

尘埃环、岩石还有冰块环绕着所有这些行星(形成光环)，其中以土星的光环最为著名。

The equivalent of 24 gallons of frozen water, mixed in with the rock and dust that was thrown into the air when a rocket was deliberately crashed into a crater near the Moon's south pole last month.

美国宇航局利用一颗卫星撞向月球南部极点的一座火山口，在随之激向大气的岩石和灰尘中发现了大约24加仑的冰冻水。