The bodies buried in the fine ash slowly decayed.

埋在细灰里的尸体慢慢腐烂了。

《柯林斯英汉双解大词典》

But that does not mean it produced fine ash continuously all the time.

但这并不意味着非常黏的岩浆总会不断地制造精致的灰。

youdao

But that does not mean the volcano produced fine ash continuously.

但这并不意味着总能喷发出微粒火山灰。

youdao

Fine ash can travel farther than the heavier stuff, but still does a lot of harm to engines if encountered in significant quantities.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

Two factors have contributed to the high volume of fine ash.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

But that does not mean the volcano produced fine ash continuously.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The