[地质]火山灰

volcanic glass───[地质]火山玻璃（又称松脂石，火山熔岩急冷时形成的天然玻璃）；黑曜岩

volcanic dust───火山尘

volcanics───n.火山岩

volcanic bomb───[地质]火山弹（指火山爆发喷出的圆形和椭圆形熔岩块）

volcanic cone───[地质]火山锥

volcanic pipe───火山筒

volcanic plug───火山塞；火山颈

volcanic rock───[岩]火山岩；火成岩；火山碎屑岩

volcanic glasses───[地质]火山玻璃（又称松脂石，火山熔岩急冷时形成的天然玻璃）；黑曜岩

The culprit was volcanic ash from Mount Pelée in Martinique.───罪魁祸首是马提尼克岛培雷火山释放的火山灰。

A heavy layer of volcanic ash rained down over the Aegean, covering islands and crops.───浓厚的火山灰层大量降下到爱琴海, 遮盖了岛屿和农作物.

The road to Lake is covered with thick layers of volcanic ash. It's steep and slippery!───前往天池的路面覆盖着厚厚的火山灰. 又陡又滑!

According to the radiation - optical quality of volcanic ash we calculated the parameter of radiation - optic .───本文根据火山灰粒子的辐射光学特性,计算了火山灰粒子和平流层本底的辐射 光学参数.

Volcanic ash can badly scratch a jetliner, clog external sensors and damage jetliner fan blades.───火山灰能严重划伤喷气式客机 、 阻塞外部传感器并损坏客机的风机叶片.

But much about the impact of volcanic ash on jet engines remains unstudied.───但火山灰对喷气引擎的大部分影响仍有待研究.

Extensive falls of volcanic ash and coarser particles overwhelm and bury all forms of life.───火山灰和更粗颗粒的大量降落,淹没并埋葬了所有生命.

These things on the earth are actually all volcanic ash from volcanic eruptions.───地上的这些物质其实全部都是火山爆发时喷出的火山灰.

Mounds of pumice and volcanic ash mark its center, where the volcano remains.───浮石和火山灰的土墩标志着它的中心, 是火山的遗迹.

Exactly, when volcanoes erupt, out comes extremely hot lava, volcanic ash , steam, and so on.───就是, 火山喷发喷出来的东西可是温度很高的岩浆 、 火山灰, 和水汽什么的.

Volcanic ash showered down on the town after the eruption.───火山喷发后，小城落了一层火山灰。

Volcanic ash silted up the Columbia River 35 miles away.───火山灰淤积在哥伦比亚河中长达35英里.

Volcanic ash, lapilli, block and bombs.───火山灰 、 火山砾 、 火山块和火山弹.

The ancient Romans discovered that volcanic ash made better cement.───古罗马人就发现火山灰使水泥更加坚固.

Volcanic ash lofts from the source, the volcano, and diminishes as it move upward.───火山灰会从其来源处, 即火山处升起飘出, 并在向上运动过程中减弱.

A cloud of volcanic ash is spreading across wide areas of the Philippines.───火山灰云层正在菲律宾大范围扩散。

A cloud of volcanic ash is spreading across wide areas of the Philippines.───一大片火山灰正在向菲律宾的大块区域扩散。

Mount Unzen has been spewing out volcanic ash, gas, and rock today.───云仙山今天一直在向外喷涌火山灰、气体和火山岩。

A cloud of volcanic ash is spreading across wide areas of the Philippines.

Volcanic ash rose into the air and encircled the earth, choking out all the air and blotting out all the light.

Multicolored volcanic ash flows, long since hardened to jagged rock, reach into the sea like fantastic taffy mountains.

A siliceous volcanic ash used to produce hydraulic cement.

Fine volcanic ash preserved the specimen's exquisite features, such as mouthparts and hairlike structures that covered its legs, according to the study.

Volcanic ash showered down on the town after the eruption.

Much of the mountain consists of volcanic ash, long since hardened to jagged rock.

Montmorillonite forms when basic rocks such as volcanic ash in marine basins are altered.

The finest fragments make volcanic ash and dust.