accretion

accretion的音标为：[ə"kredʃən]，翻译成中文是：积累。

速记技巧：将“a”联想为“at”，即“at”积累。

Accretion这个词来源于拉丁语，意为“增长，增加”。它的变化形式包括复数形式accretions，过去式accreted和现在分词accreting。

相关单词：

Accretion disk（吸积盘）：一种在星体演化中常见的物质盘，通常在恒星或行星形成过程中起关键作用。

Accretionary（增生的）：描述物质增长或增加的形容词，常用于地质学和天文学领域。

Accretive（增生的）：与accretion同义，强调增长的倾向或可能性。

Accretional（增生的）：描述在特定条件下发生增长的情况。

Accrete（增生）：指物质在重力作用下聚集在一起，通常在星体形成或地质学中应用。

Accreted mass（增生物质）：被增生物质形成的总质量。

Accretion rate（增长速率）：描述物质增长速度的指标。

Accretion disk model（吸积盘模型）：一种用于解释星体和黑洞周围物质聚集的理论模型。

Accretion shock（增生物质冲击）：在吸积过程中，物质碰撞产生的冲击波。

Accretion-induced collapse（吸积诱导坍塌）：一种星体演化的过程，描述物质在重力作用下聚集并坍塌的过程。

Accretion是一个非常广泛使用的词汇，涵盖了许多科学领域，它描述了物质增长和聚集的过程，这在星体形成、地质学和天文学等领域中非常重要。

短语：

1. accretion disk

2. accrete onto

3. gradual accretion

4. mass accretion

5. solar nebula accretion

6. accretion rate

7. accretion process

例句：

1. The newly formed planet is thought to be accreting matter from the surrounding disk of dust and gas.

2. The moon may have accreted gradually over millions of years.

3. The asteroid is thought to have accreted material from other asteroids over time.

4. The star"s accretion disk is glowing brightly with material being pulled into the newly forming black hole.

5. The planets in our solar system formed through a gradual process of accretion.

6. The moon"s formation is believed to have been due to the gradual accretion of smaller bodies.

7. The object is accreting matter at a rapid rate, and it"s unclear what effect this will have on its stability.

英文小作文：

The Universe is constantly creating new objects and phenomena, and accretion is one such process that occurs frequently in nature. Accretion refers to the process of material coming together to form larger objects or structures, and it occurs in many different contexts, from the formation of stars and planets to the growth of galaxies and black holes.

For instance, a newly formed star or planet may be accreting matter from the surrounding disk of dust and gas, gradually building up its mass and structure. Similarly, smaller bodies may gradually accrete material to form larger objects in our solar system, or galaxies may gather matter from their surroundings to grow in size and power.

Accretion is a fundamental process in the Universe, and it plays an important role in the formation and evolution of many different objects and systems. Understanding accretion and its various manifestations is key to understanding our Universe and its many mysteries.