volcanic ash

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.

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 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.

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.

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.

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。

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, lapilli, block and bombs.

火山灰 、 火山砾 、 火山块和火山弹.

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.

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.

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。

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.

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.

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!

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.