n. 1.【冶金】浮渣；铁屑，铁渣。 2.渣滓；碎屑；杂质。 3.【矿物】劣质细煤。 短语和例子 transmute the dross of reality into the gold of art 把现实的渣滓熔炼为艺术的纯金。 adj. -y 1.渣状的。 2.不纯的。 3.无价值的 (the drossiest work 最低劣的作品)。
worthless or dangerous material that should be removed; "there were impurities in the water" 同义词：impurity,
the scum formed by oxidation at the surface of molten metals 同义词：slag, scoria,
Dross is a mass of solid impurities floating on a molten metal or dispersed in the metal, such as in wrought iron. It forms on the surface of low-melting-point metals such as tin, lead, zinc or aluminium or alloys by oxidation of the metal(s).
例句与用法
1.
Frequent skimming or improper skimming can cause a much higher dross loss . 撇渣过频或操作不当会使浮渣损失很大。
2.
Caroline felt the value of the true ore, and knew the deception of the flashy dross . 卡罗琳辨别出了真金的价值，知道那种炫耀的铁渣只有迷惑人的外表。
3.
The manufacture of the hot aluminum dross hydraulic press 高温铝炉渣压滤机的研制
4.
They tried to purge metal of dross 他们试图清除金属熔化时浮升表面的渣滓。
5.
1 aluminium dross for iron and steel making amendment 1 钢铁制造用铝废渣
6.
A microbial degrading technique for refinery organic dross 炼油厂有机浮渣的微生物处理方法初探
7.
Your silver has become dross , your drink diluted with water 赛1 : 22你的银子、变为渣滓、你的酒、用水搀对。
8.
Your silver has become dross , your choice wine is diluted with water 22你的银子，变为渣滓，你的酒，用水搀对。
9.
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。
10.
And better ? and better - so much better as pure ore is than foul dross “是更好就像纯粹的矿石比污秽的渣滓要好得多一样。
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