The ledge was covered with heavyash, called tephra, and speckled with droplets of volcanic glass and delicate lava threads known as Pele's hair.
岩架上覆盖了厚厚的火山灰烬,其间点缀着火山玻璃珠和被称之为火山毛(Pele ' s hair)的熔岩细线。
2
It just happens to be that the ash from this volcano is going over a very populated area with a lot of heavy air travel.
但是碰巧这个火山喷发的灰尘正在经过一片空运繁忙的区域。
3
Coal ash contains toxic heavy metals, including arsenic, cadmium, mercury and lead, which leach into water systems and get blown into the air during windy days.