alluvion

alluvion的音标为[əˈluːvɪən]，基本翻译为“冲积层；堆积层”，速记技巧为“all（全部）→lu（路）→淤泥”。

Alluvion这个词来源于拉丁语，意思是“冲积物”或“沉积物”。它的变化形式包括alluvium（冲积物）、alluvial（冲积的）和alluviation（冲积）。

相关单词：

Alluvium：这个词可以指任何一种由水或风等自然力量沉积下来的物质，包括土壤、岩石碎片、沙子等。

Alluvial fan：冲积扇是河流在流动过程中，沉积物堆积形成的扇形地貌。

Alluviation：这个词可以指任何沉积过程，包括河流的沉积、风沙的沉积等。

此外，与alluvion相关的单词还有alluvial plain（冲积平原）和alluvial soil（冲积土），它们都与沉积物有关。这些单词可以用来描述由沉积物形成的特定地貌和土壤类型，也可以用来描述由沉积物形成的自然环境或地质过程。这些单词在描述地球科学和环境科学等领域时非常常用。

常用短语：

1. alluvium 冲积物

2. deluge 大洪

3. sediment 沉积物

4. sedimentary 沉积的

5. deposit 沉积

6. fan 扇形物

7. fan delta 扇状三角洲

8. delta 三角洲

双语例句：

1. The river carried sediment and deposited it in the delta.

河水携带沉积物并在三角洲地区沉积下来。

2. The alluvium of the river has formed a fan delta.

河的冲积物形成了扇状三角洲。

3. The deluge caused widespread damage to the city.

大洪导致城市遭受广泛破坏。

4. Sedimentary rocks are formed by the gradual accumulation of particles over time.

沉积岩是通过时间的推移，逐渐积累颗粒形成的。

5. The fan delta is a unique ecosystem that provides habitat for many species.

扇状三角洲是一个独特的生态系统，为许多物种提供栖息地。

6. The sedimentary layers of the earth"s crust reveal the history of our planet.

地球的地质层沉积记录揭示了我们的星球的历史。

7. The sedimentary rocks of the region are rich in minerals and fossils.

该地区的沉积岩富含矿物质和化石。

英文小作文：

Alluvion is an essential part of our planet"s history and geography, shaping landscapes and ecosystems around us. From the sedimentary layers of the earth"s crust to the fan delta formed by a river"s alluvium, alluvion plays a significant role in our world. It is a result of natural processes such as erosion, deposition, and sediment transport, which have shaped our planet over time.

From the fertile soil of delta plains to the rocky layers of mountains, alluvium has left its mark on our planet"s surface. It has also provided habitats for many species and is essential for maintaining the balance of ecosystems. Understanding alluvion and its role in our world is crucial for understanding our planet"s history and future.

In conclusion, alluvion is an integral part of our planet"s natural environment, shaping landscapes, ecosystems, and habitats for countless species. Understanding its role and processes is essential for conserving our planet"s natural resources and ensuring a sustainable future for all life on Earth.