工业废料，如煮皂炉里的灰，第一次开始在城市里被收集，作为人工肥料在农村出售。
For the first time industrial waste, such as ash from the soap-boilers, was collected in the cities and sold in the country as artificial fertilizer.
她仍然站在她的位置上，通红和满是汗水的脸上落了一层麦灰，白色的帽子也被麦灰染成了黄褐色。
She still stood at her post, her flushed and perspiring face coated with the corn-dust, and her white bonnet embrowned by it.
有时，动物和植物被浸泡在焦油或流沙中，被困在冰或熔岩流中，或被迅速落下的火山灰吞没后被保存下来。
On occasion, animals and plants have been preserved after becoming immersed in tar or quicksand, trapped in ice or lava flows, or engulfed by rapid falls of volcanic ash.
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