Huge amounts of ash fell on the land.
大量的灰烬落在了土地上。
Ash fall
原声例句
美国国家公园
VOA慢速英语_世界
Parts of the airport were reopened after the ash fall eased.
部分机场在火山灰消散后重新开放。
纽约时报 (New York Times)
Nuclear ash fell across the Marshalls, and many people were affected.
核灰落在马绍尔群岛上，许多人受到了影响。
现代大学英语精读(第2版)第二册
Tons of hot ash fell on Pompeii, hiding it from sight.
成吨炙热的火山灰落向庞贝城，将它淹没。
CNN 10 学生英语 2022年11月合集
The eruption is prompting an ash fall advisory for Hawaii's big island and surrounding waters.
这次喷发正使得夏威夷大岛和周围水域发布落灰警告。
BBC 听力 2019年12月合集
Police are also warning people living near the area to be aware of the potential for ash fall and to stay indoors.
警方还警告住在该地区附近的居民，注意可能发生的火山灰沉降，并待在室内。
神奇树屋
Burning rocks and fiery ash fell from the sky.
燃烧的岩石和炽热的灰烬从天而降。
再见，吾爱（上）
His hand jerked again and some ash fell off on his white cuff.
他的手又猛地一抖， 白袖口上掉了一些灰。
VOA Special 2020年1月合集
Conditions forced the city's main airport to close, with more than 500 flights canceled. Parts of the airport were reopened after the ash fall eased.
严峻形势迫使该市主要机场关闭，500多架航班取消。部分机场在火山灰消散后重新开放。
当月 CNN 10 学生英语 2021年2月合集
There were no reports of serious injuries or damage, but imagine waking up at 1 o'clock in the morning and thinking it's raining outside when what you hear is actually ash falling on your roof.
目前还没有重伤或大面积破坏的报告，但你想象一下，凌晨1点醒来，以为外面正在下雨，实际上你听见的是火山灰烬落在屋顶上。
中文百科
火山灰 Volcanic ash
（重定向自Ash fall）
火山灰是火山喷发物之一；粒径在2毫米以下的碎石、矿物质或火山玻璃，像灰尘；颜色深灰、浅灰、白和黄。火山灰也被俗称所有火山喷出物，其实正确说法是火山喷发碎屑。
在火山爆炸式喷发中，岩浆中不可溶的气体扩散并狂暴释放入大气层，从而把岩浆喷入了大气层并在空中固体化为细微的粒子而形成火山灰。另一种情形是蒸汽岩浆喷发也会形成火山灰释入大气层。
火山灰由于非常细小，可以被风吹扬到离火山喷发区很远的地方，甚至上千公里以外，并且在喷发结束后经过很长时间才沉积下来；火山灰经过压实固节后形成火山凝灰岩，如果经过沉积作用，并和泥沙相结合，则形成火山作用和沉积作用混合成因的层凝灰岩。
英语百科
Volcanic ash 火山灰
（重定向自Ash fall）
Volcanic ash consists of fragments of pulverized rock, minerals and volcanic glass, created during volcanic eruptions and measuring less than 2 mm (0.079 inches) in diameter. The term volcanic ash is also often loosely used to refer to all explosive eruption products (correctly referred to as tephra), including particles larger than 2mm. Volcanic ash is formed during explosive volcanic eruptions when dissolved gases in magma expand and escape violently into the atmosphere. The force of the escaping gas shatters the magma and propels it into the atmosphere where it solidifies into fragments of volcanic rock and glass. Ash is also produced when magma comes into contact with water during phreatomagmatic eruptions, causing the water to explosively flash to steam leading to shattering of magma. Once in the air, ash is transported by wind up to thousands of kilometers away.
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