【Cobalt】的翻译、意思

英文单词学*与分析：[Cobalt]

1. 基本定义：

   • 字面意思：Cobalt is a chemical element with the symbol Co and atomic number 27. It is a hard, lustrous, silver-gray metal used in various applications, including batteries, catalysts, and pigments.
   • 词性：名词 (Noun)

2. 词源与起源：

   • 词源分析：Cobalt comes from the German word "Kobalt" or "Kobold," which means "goblin." This reflects the difficulties miners faced when extracting the metal, as cobalt ores often contained arsenic and other toxic elements.
   • 历史背景：Cobalt was first isolated in 1735 by Swedish chemist Georg Brandt, who recognized it as a distinct element from bismuth and arsenic.
   • 课本：Cobalt is typically introduced in high school chemistry textbooks, such as those used in AP Chemistry in the U.S. and in Chinese curriculum textbooks for high school science.

3. 使用场景：

   • 正式与非正式语境：
     • 正式：In scientific literature, cobalt is often discussed in the context of its properties and uses in metallurgy and chemistry. For example, "Cobalt is essential in the production of high-performance alloys."
     • 非正式：In everyday conversation, someone might say, "I like the cobalt blue color of that car."
   • 特殊场合：
     • 在科学领域，特别是在化学和材料科学中，cobalt 是一个重要的元素。例如，"Cobalt-*0 is widely used in medical applications, particularly in radiation therapy."

4. 示例句子：

   1. Cobalt is used in rechargeable batteries, particularly in electric vehicles.
      钴被用于可充电电池，特别是在电动车中。
   2. The artist chose cobalt blue for the sky in her painting.
      这位艺术家在她的画中选择了钴蓝色来描绘天空。
   3. Cobalt salts are often used as pigments in glass and ceramics.
      钴盐常用于玻璃和陶瓷的颜料中。
   4. The mining of cobalt raises environmental concerns.
      钴的开采引发了环境问题的担忧。
   5. Scientists are researching new ways to utilize cobalt in renewable energy technologies.
      科学家们正在研究在可再生能源技术中利用钴的新方法。

5. 同义词与反义词：

   • 同义词：
     • Nickel (镍)：两者都是过渡金属，但在化学性质和应用上有所不同。
     • Manganese (锰)：同样是一种重要的金属元素，常与钴混合使用。
   • 反义词：
     • Non-metal (非金属)：与钴的金属特性相对，非金属元素如氧、氮等。

*. *学方法**：

• 音标记忆法：Cobalt的音标是 /ˈkoʊ.bɒlt/。可以通过音节分解，记住发音。
• 词根记忆法：了解"cobalt"的词源与其与矿石的关联，结合其化学特性，加深记忆。

7. 关联词汇：
   • Cobalt blue (钴蓝色)
   • Cobalt-0 (钴-0)
   • Cobalt alloy (钴合金)
   • Cobalt salts (钴盐)
   • Cobalt battery (钴电池)

通过以上的学*和分析，读者可以全面理解“cobalt”这个单词的定义、用法及其在不同语境中的表现。