英语语法分析

I go through phases where everything I write is just dross.

我经历过几个阶段，写什么都是垃圾。

《柯林斯英汉双解大词典》

For those works, we might discard the dross and select the essence as well.

对于这样的作品，我们不妨取其精华，去其糟粕。

Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel.

冶炼钢铁所产生的熔渣、浮渣(粒状熔渣除外)、氧化皮及其他废料。