dark matter的音標為[dɑ?k mɑ?t?r]，基本翻譯為“暗物質”。

速記技巧：將“dark”視為“darkness”（黑暗）的縮寫，再加上“matter”（物質）。這樣，只需記住一個單詞就能同時記住三個單詞的發音和基本含義。

Dark matter這個詞的英文詞源可以追溯到拉丁語中的“dark”和“matter”，意為“黑暗的物質”。它的變化形式包括其復數形式“dark matters”和過去分詞形式“darkened matter”。

相關單詞方面，我們可以考慮以下一些與dark matter相關的詞匯：

1. “dark matter physics”：暗物質物理學，指的是研究暗物質及其與宇宙中其他物質相互作用的一門科學。

2. “dark matter hypothesis”：暗物質假說，是一種推測，認為宇宙中的大部分質量以暗物質的形式存在，而普通物質主要受暗物質引力作用。

3. “dark matter cosmology”：暗物質宇宙學，研究暗物質在宇宙學中的角色和影響。

4. “dark matter halo”：暗物質暈，指在星系或星系團中由暗物質形成的球形結構，其中包含著大量的普通物質。

5. “dark matter detection”：暗物質探測，指通過實驗方法探測暗物質粒子或其引力效應的過程。

以上這些詞匯都與暗物質有關，描述了我們對暗物質的理解和探索過程。暗物質仍然是宇宙學中一個未解的重要問題，需要科學家們不斷的研究和探索。

常用短語：

1. dark matter of the universe

2. dark matter particles

3. dark matter density

4. dark matter halo

5. dark matter mystery

6. dark matter discovery

7. dark matter theory

雙語句子：

1. 科學家們正在努力研究宇宙中的暗物質。

Scientists are working hard to study the dark matter of the universe.

2. 暗物質粒子可能會為我們揭示宇宙的奧秘。

Dark matter particles may reveal the secrets of the universe to us.

3. 暗物質密度對宇宙的演化起著重要的作用。

The dark matter density plays an important role in the evolution of the universe.

4. 我們的銀河系中存在大量的暗物質。

There is a large amount of dark matter in our galaxy.

5. 暗物質仍然是一個未解的謎團。

The dark matter remains a mystery.

6. 最近發現了暗物質存在的證據。

Recently, evidence of the existence of dark matter has been discovered.

7. 暗物質理論是宇宙學研究的重要部分。

The theory of dark matter is an important part of cosmology research.

英文小作文：

Dark Matter and the Mystery of the Universe

Dark matter, an elusive substance that permeates the universe, is a crucial component of our understanding of the cosmos. Despite its mysterious nature, dark matter plays a significant role in the evolution of galaxies, clusters of galaxies, and even the overall structure of the universe itself.

Scientists have been trying to unravel the mystery of dark matter for decades, with limited success so far. However, recent advances in observational astronomy and particle physics have opened up new avenues of research that may finally shed light on this enigmatic substance.

The discovery of dark matter particles, if confirmed, would be a major milestone in our quest to understand the fundamental nature of the universe. It would also provide valuable insights into the origins of our universe and its mysterious components, such as dark energy and dark radiation.

Dark matter is not only fascinating from a scientific perspective, but also has profound implications for our understanding of ourselves and our place in the cosmos. Understanding dark matter could lead us to a deeper understanding of our own existence and the vastness of the universe that we inhabit.