Then Job took a piece of broken pottery and scraped himself with it as he sat among the ashes.
约伯就坐在炉灰中，拿瓦片刮身体。The increase in ash depth from the rear to the front changes the resistance of the fuel bed plus the ash to the air flow.
灰层由后而前增加，这样就改变了燃料床（或者叫燃料层？）加上炉灰对（炉内）气流的阻力。a day for a man to afflict his soul? is it to bow down his head as a bulrush, and to spread sackcloth and ashes under him?
岂是叫人垂头像苇子，用麻布和炉灰铺在他以下吗。You may leave the ashes on throughout the day, or at least until the conclusion of this service.
您可以让这些炉灰在你的额头上一整天，或者至少直到崇拜结束为止。One lady had put ashes from the fire in her trashcan. I said we couldn't take them.
有一位女士把炉灰倒进垃圾箱里，我说我们无法把炉灰弄出来。'I planned to spend mine in new music, ' said Beth, with a little sigh, which no one heard but the hearth brush and kettle holder.
“我本来打算用那一块钱买本音乐书的”，贝思轻轻叹着气，轻得几乎没人听得到，除了她旁边的火炉和炉灰刷。Is it for bowing his head like a rush And for spreading out sackcloth and ashes as his bed?
岂是叫人垂头像苇子，用麻布和炉灰当床铺么？Zinc can be removed from mixed metal solutions obtained from furnace dust by adding base to precipitate zinc hydroxide.
通过加入碱以沉淀氢氧化锌而可以从得自炉灰的混合金属溶液中去除锌。In the early medi period the first day of Lent became a day for distributing ashes to Christians as a sign of mortality and penance.
中世纪初期，大斋节的第一天是向基督徒分发炉灰，这是一种死亡和忏悔的记号。