dross的例句（dross在句子中的用法）

• dross coal 渣煤, 不粘(结性)煤
• From moment to moment, a wise man removes his own impurities, as a smith removes the dross of silver. 聪明的人时常清除内心的污垢，就如同工匠清理银矿中的杂质。 出自：英语名言
• 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.
• 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.
• What's gold and silver ? Mere dross. 金银财宝,身外之物.
• I go through phases where everything I write is just dross. 有几段时间我写什么都是垃圾。