copperas

copperas的音标为["kʌpərəs]，基本翻译为“铜矿石”，速记技巧可以考虑为“铜+鸟+死”，因为“铜”发音类似“铜”字，“鸟”可以谐音为“婆”，“死”则可以理解为“色”，连起来就是“铜婆色”，谐音为“铜矿石”。

Copperas这个词来源于拉丁语“cuprum”，意为铜。它的变化形式包括其过去式“copperass”，过去分词“copperassed”和现在分词“copperassing”。

相关单词：Copper wire（铜线），Copperhead（铜色斑蛇），Copperplate（用铜版印刷），Coppermine（铜矿），Copperhead（铜币），Copperheadism（反对改革或进步的言论或行动），Copper-topped（有铜顶的），copper-bearing（含铜的），copper-smelting（炼铜）。

铜是一种重要的金属，在许多领域都有广泛的应用，如建筑、制造工具、电器等。同时，铜也是许多化学反应和矿物的关键组成部分，具有丰富的历史和科学内涵。

常用短语：

1. copperas gold

2. copperas green

3. copperas blue

4. copperas red

5. copperas oxide

6. copperas sulfide

7. copperas chloride

例句：

1. Copperas gold is a beautiful color that is often used in jewelry making.

2. The copperas green plant is a popular garden plant that is known for its beautiful flowers.

3. Copperas sulfide is a highly toxic chemical that can cause severe burns if it comes into contact with skin.

4. Copperas oxide is a common chemical used in the production of batteries and other electrical devices.

5. Copperas chloride is a common disinfectant that is used to kill bacteria and viruses.

6. The copperas blue pigment is a popular color that is often used in art and design work.

7. Copperas green is a color that is often used to represent hope and renewal in literature and poetry.

英文小作文：

Copperas Green: A Symbol of Hope

Copperas green is a beautiful color that represents hope and renewal in literature and poetry. It reminds us of the fresh start that comes with the new season or the new day. It is a color that is often associated with nature and the beauty of the world around us, reminding us to appreciate the small things in life and to be grateful for the beauty that surrounds us every day. Copperas green can also be a symbol of resilience and strength, reminding us that we can overcome any challenge in our lives if we have the courage to face it head on. Whether it is a personal struggle or a larger societal issue, copperas green can serve as a reminder that we are all capable of overcoming anything if we have the strength and determination to do so.