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1·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。

2·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。

3·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；

4·Furthermore, if the water ice was mixed in with rock and dust, it would be protected from evaporation.

此外，如果水冰与岩石和灰尘混合在一起，它就不会蒸发掉。

5·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。

6·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。

7·To leave our planet nothing but rock and dust.

除了岩石和尘土外不在我们的星球留下任何东西。

8·Nasa scientists had anticipated that the impact would throw up a six-mile-high cloud of lunar dust and rock which could be scanned for evidence of frozen water.

美国航天局的科学家曾希望这个撞击会抛起六英里高的月球尘埃和碎片云，通过对其扫描，可以找到结冰水的证据。

9·While undeniably beautiful from afar, Mount Fuji close up is a huge slab of volcanic dust and rock.

从远处看富士山有一种无可置疑的美丽，但是到了山上，看到的只是一大片火山灰和岩石。

10·The Oruanui eruption probably managed that, but a surer candidate is Sumatra's Toba blast, which released 2800 cubic kilometres of hot rock, ash and dust about 70,000 years ago.

奥努伊火山爆发就可能属于这一类，但是一个更有把握超级火山的候选者是苏门答腊岛的多巴火山爆炸。 约在70 000年以前，多巴火山在爆发时释放了2800立方公里的灼热的岩石、火山灰和尘埃。