pyroclastic
pyroclastic — 形容詞
- pyroclasticpositive
- more pyroclasticcomparative
- most pyroclasticsuperlative
1. describing rock material made up of fragments, ash, and debris that were violent
火山碎屑的
由火山噴發產生的岩石碎片所構成
describing rock material made up of fragments, ash, and debris that were violently ejected from a volcano during an eruption
Astrid studied the pyroclastic flow that buried Pompeii in AD 79.
Astrid 研究了公元79年掩埋龐貝城的火山碎屑流。
collocation: pyroclastic flow
Tariq examined a pyroclastic rock sample under the microscope in the lab.
Tariq 在實驗室用顯微鏡檢查了一塊火山碎屑岩石樣本。
The pyroclastic cloud from Mount St. Helens darkened the sky for hours.
聖海倫斯火山噴出的火山碎屑雲使天空暗了好幾個小時。
Ada's geology textbook had a striking photo of pyroclastic layers in Iceland.
Ada 的地質學課本裡有一張冰島火山碎屑層的震撼照片。
Femi explained how pyroclastic surges can travel faster than a speeding car.
Femi 解釋了火山碎屑湧浪如何能以比飛車更快的速度移動。
- volcaniclastic
a broader term covering all fragmented volcanic material, not only eruption ejecta
用法筆記
Restricted to geological descriptions of volcanic material — used for flows, surges, ash deposits, and rock formed from eruption debris.