dross

英 [drɒs]

美 [drɑːs]

n.  劣质品; 糟粕; 废料; (尤指金属溶液的)浮渣

GRE化学

BNC.32850 / COCA.35186

牛津词典

noun

• 劣质品；糟粕
  something of very low quality; the least valuable part of sth
  1. mass-produced dross
     成批生产的劣质品
• 废料；（尤指金属溶液的）浮渣
  a waste substance, especially that separated from a metal when it is melted

柯林斯词典

• N-UNCOUNT 渣滓;废物
  If you describe something asdross, you mean that it is of very poor quality or has no value.
  1. I go through phases where everything I write is just dross.
     有几段时间我写什么都是垃圾。

英英释义

noun

• worthless or dangerous material that should be removed
  1. there were impurities in the water
  Synonym:impurity
• the scum formed by oxidation at the surface of molten metals
  Synonym:slagscoria

双语例句

• I will turn my hand against you; I will thoroughly purge away your dross and remove all your impurities.
  我必把手转过来攻击你；我要炼除你的渣滓，如同用碱来炼一样，我要除去你的一切杂质。
• The best player go off to the big club, leave us the dross.
  最好的队员都投奔大俱乐部去了，就只给我们剩下些不中用的人。
• In applying hot briquetting for ISP dross processing, influences of pressure, temperature, time of pressing on strength of hot briquetes have been examined.
  在用ISP法冶炼浮渣热压团时，研究了压团压力、温度、加压时间对铅锌密闭鼓风炉冶炼浮渣热压团块强度的影响。
• We need the sacred fire to consume the dross.
  我们需要圣洁的火来烧尽渣滓。
• Recovery of Metallic Zinc Dross and Ash Formed in Hot Galvanizing Zinc by Means of Hydrometallurgy
  由热镀锌灰、锌渣湿法再生金属锌的研究
• Your silver has become dross, your choice wine is diluted with water.
  你的银子，变为渣滓，你的酒，用水搀对。
• Remove the dross from the silver, and out comes material for the silversmith;
  除去银子的渣縡，就有银子出来，银匠能以做器皿；
• To recover aluminium from dross, a more reactive flux containing cryolite or some other fluoride may be used.
  使用含有冰晶石或其他氟化物的活性熔剂能提高铝液的实收率。
• Our company mainly sell all kinds of recycling and scrap metal Dross, IC tray, e-feet
  本公司主要回收和出售各类废旧金属锡渣，IC托盘，电子脚
• Study on Synthesis of Spinel-Sialon Multiphase Material from Fly Ash and Aluminum Dross In-situ Reaction
  固体废弃物铝灰和粉煤灰原位合成Spinel-Sialon复相材料的研究