extragalactic

extragalactic ["ekstrə"gælkɪt]

音标为/"ekstrəgælkɪkt/

基本翻译为“超星系间的”

速记技巧：extragalactic=extra（超过）+galactic（星系的）=>超星系间的

例句：科学家们正在研究宇宙中存在的extragalactic objects。

Extragalactic这个词的词源可以追溯到拉丁语和希腊语，意为“超越银河系”。它是由“extra”表示“超越”和“galactic”表示“银河系的”两个词组合而成。

变化形式：在英语中，extragalactic通常作为形容词和名词使用。

相关单词：

1. Intergalactic：指“星际间的”，这个词是由“inter”表示“在…之间”和“galactic”组合而成。

2. Nebulae：指“星云”，这个词来源于希腊语，表示“云雾状的天体”，通常指银河系外的星云。

3. Cosmos：指“宇宙”，这个词来源于希腊语，表示“秩序井然的整体”。

4. Nebulous：指“星云状的”，这个词是由“nebulous”表示“云雾状的”变形而来，通常用于描述天体的形状。

5. Extraterrestrial：指“地球以外的”，这个词是由“extra”表示“在…以外”和“terrestrial”表示“地球的”组合而成。

这些单词都与extragalactic相关，描述了宇宙中超越银河系的存在和现象。它们共同构成了我们对宇宙的广泛理解的一部分。

常用短语：

1. extragalactic nebula

2. extragalactic space

3. extragalactic radio galaxies

4. extragalactic distance

5. extragalactic objects

6. extragalactic surveys

7. extragalactic background radiation

例句：

1. Extragalactic nebula are a beautiful sight to behold.

2. The extragalactic distance between us and the center of the universe is vast.

3. Extragalactic surveys are helping us to understand the universe better.

4. Extragalactic radio galaxies are a powerful tool for studying the universe.

5. Extragalactic objects are mysterious and fascinating.

6. The extragalactic background radiation is a testament to the vastness of the universe.

英文小作文：

Extragalactic exploration is an exciting field of astronomy that is constantly expanding our understanding of the universe. From studying extragalactic nebulas to mapping extragalactic distances, we are constantly learning more about the vastness of space and time. But what excites me most about extragalactic exploration is the potential for interstellar communication and collaboration between different civilizations. If we find evidence of extraterrestrial life, it could be a profound moment in human history, opening up new possibilities for cooperation and understanding between our species and other lifeforms in the cosmos. Whether we are exploring the vastness of extragalactic space or seeking answers about our own origins, the universe continues to inspire us with its beauty and mystery.