The white plume rising from the volcano is likely a mixture of steam and ash.

从火山口升起的白色漂浮物似乎是蒸汽和火山灰的混合物。

youdao

Irish rain and Icelandic ash had forced the 1,500-strong White House party to take refuge in London 12 hours early.

爱尔兰的雨，冰岛的灰迫使这个1,500多人的白宫队伍提前12个小时到了伦敦避难。

youdao

Indonesia's Mount Merapi has erupted with its biggest explosion in more than a century, killing at least 70 more people, incinerating homes and blanketing the region in white ash.

印尼的默拉皮火山喷发，这是默拉皮一个多世纪以来最大的一次，已造成至少70多人死亡。大批房屋被焚毁，整个地区笼罩在白色的火山灰烬下。

youdao

As we approach the elephants, he takes out a small plastic squeeze bottle containing fine white ash and puffs some into the air, gauging the breeze.

WSJ: Walk With the Animals

At dawn, he could see that but for the roadside oaks everything was gone, burned off the face of the earth as if by a powerful beam of light, the house standing naked and singed in a field of white ash.

NEWYORKER: Idols

You'd think tennis would be with it by now, chucking the tradition of crowd silence into the same ash bin as all-white playing duds and wooden rackets.

FORBES: Magazine Article