Volcanic ash

Volcanic ash 基本解释

火山灰

词组短语

1、volcanic ash soil 火山灰土壤

Volcanic ash 用法和例句

1、black volcanic ash

黑色火山灰

2、Volcanic ash, lapilli, block and bombs.

火山灰、火山砾、火山块和火山弹。

3、There they cool and harden into volcanic ash.

然后在空中它们又冷却变成火山灰。

4、a siliceous volcanic ash used to produce hydraulic cement

用来生产硬水泥的含硅火山灰

5、Study on volcanic ash reactivity of coal cinder at about

低温煤渣火山灰活性的机理研究

6、Test flights show no damage by volcanic ash.

试航显示火山灰不会影响飞机发动机工作。

7、Volcanic ash showered down on the town after the eruption.

火山喷发后, 小城落了一层火山灰。

8、Coal beds and volcanic ash falls are examples of marker beds.

煤层和火山灰堆是典型的标志层。

9、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。

10、They ignored the erosion of the mountain by the volcanic ash!

他们忽视了山体被火山灰腐蚀的迹象！

重点词汇

volcanic a. 火山的, 猛烈的 n. 火山岩