The ash that has covered Tonga is acidic, but not poisonous, Cronin said.
克罗宁说，覆盖汤加的火山灰是酸性的，但没有毒性。
VOA慢速英语_世界
Cronin said all of Tonga's soil comes from volcanic ash and the latest amount of ash will quickly wash into the ground.
克罗宁说，汤加所有的土壤都来自火山灰，最新的火山灰很快就会被冲入地面。
英语百科
Cronin
Cronin is an Irish surname which originated in County Cork and is derived from the Old Irish word crón, meaning saffron-colored. The Cronin family have been prominent in politics and the arts in Ireland, the United States, Australia and the United Kingdom since the nineteenth century.