啤酒瓶底的沉淀物一到瓶頸部位,就不要往外倒啤酒了。此時(shí)你的一杯啤酒會(huì)金燦燦地發(fā)亮,酒泡鼓出酒杯口,而又不會(huì)溢出杯外。 As soon as the sediment starts creeping up the shoulder of the bottle, stop pouring. You should now have a glass of star-bright beer with a head(of foam) that stands proud of the glass but does not overflow.
水冶金術(shù)通過(guò)液體過(guò)程,象過(guò)濾,提煉,沉淀等方法處理金屬,從礦石中或礦石濃縮物中分離出金屬 The treatment of metal or the separation of metal from ores and ore concentrates by liquid processes, such as leaching, extraction, and precipitation.
把咖啡攪一攪好讓渣滓沉淀。 Stir the coffee to settle the grounds.