dross

dross的音标为["drɔs]，基本翻译为“废料，糟粕，无用之物”，速记技巧为“dross=ross（罗斯）罗斯的废料”。

Dross的英文词源可以追溯到拉丁语“drossus”，意为“熔渣”。其变化形式包括名词形式“dross”和形容词形式“drossy”。

相关单词：

“drossy”在形容词中表示“像熔渣的，劣质的”，例如：“The drossy paint was easily rubbed off.”（这种劣质的油漆很容易擦掉）。

“dross-”可以作为前缀，表示“除去渣滓”，例如：“dross-reduction”（渣滓去除）。

“slag”意为熔渣或炉渣，可以与dross互换使用。

“fritter”意为浪费或挥霍，其词源之一就是熔渣的dross，因为熔渣常常被浪费掉。

“scum”意为浮沫，其词源之一是金属熔化时的浮沫，与dross有相似之处。

“debris”意为碎片或残骸，其词源之一是金属冶炼时的渣滓和残骸，与dross有相似之处。

“debase”意为降低或贬低，其词源之一是“dross”，表示将渣滓去除或降低品质。

“detritus”意为碎屑或废物，其词源之一是“detritus”和“lithos”（石头）结合而成，与dross有相似之处。

“refuse”意为废物或垃圾，其词源之一是“refuse”和“use”（使用）结合而成，与dross有相似之处。

以上这些单词都与dross有关，并且描述了不同情境下的废物和劣质物质。这些单词也反映了人类对废物和劣质物质的看法和态度，以及如何通过不同的方式来处理这些物质。

常用短语：

1. dross metal 废金属

2. dross off 剔除杂质

3. dross out 剔除

4. dross out the rubbish 清除垃圾

5. dross and gold 精华与糟粕

6. dross and rubbish 废渣和垃圾

7. dross and trash 废渣和垃圾

例句：

1. The workers drossed off the impurities from the metal.

2. We need to dross out the old clothes to make space for new ones.

3. The book contains some dross and gold, but overall it is a valuable resource.

4. The garbage disposal company dumps the dross and rubbish into the landfill.

5. We need to carefully sift through the information to dross out the irrelevant details.

6. The teacher used a magnifying glass to dross out the impurities from the student"s writing.

7. The process of sorting through the data is like drossing through a river of information to find the nuggets of truth.

英文小作文：

Title: Dross and Gold - The Journey of Discovery

Life is full of dross and gold, impurities and treasures, just like a river of information that needs to be sifted through to find the nuggets of truth. We all have our own dross and gold, things that we need to clear out and things that we need to keep.

The process of discovery is like drossing through a river of knowledge, learning from our mistakes, learning from our successes, learning from our failures, and learning from our victories. Through this process, we can find our own nuggets of wisdom, our own treasures that will enrich our lives and guide us towards success.

Just like a river of information, we need to be discerning in our approach to life, recognizing the dross for what it is and discarding it, while savoring the gold that is waiting for us at every turn. Let us embrace the journey of discovery, let us embrace the dross and gold of life, and let us never stop seeking our own nuggets of truth and wisdom.