dross

n.

废料，渣滓；劣质品；糟；熔渣

zinc dross锌灰，锌渣

1. 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。
2. For foreign cultures, we should discard their dross and select their essence.
   对于外来文化，我们要取其精华，去其糟粕。
3. The best players have gone off to the big clubs, leaving them the dross.
   最好的队员都投奔大俱乐部去了，留给他们这些不怎么样的球员。
4. What's gold and silver? Mere dross.
   金银财宝，身外之物。

Animal dross absorbent and method
Effect of Trace Phosphorus on the Dross Formation in Tin-Copper-Nickel Wave Solder
Functional bowel disorders and functional abdominal pain
Cold-activated brown adipose tissue in healthy men.
U. S. Householder survey of functional gastrointestinal disorders
AGA technical review on irritable bowel syndrome - Gastroenterology
The functional gastrointestinal disorders and the Rome II process
Psychosocial aspects of the functional gastrointestinal disorders.
Irritable bowel syndrome: a technical review for practice guideline development.
Sexual and physical abuse in women with functional or organic gastrointestinal disorders.