colluvial

colluvial的音标为[kəˈluːvjəl] ，基本翻译为“残积的，堆积的”，速记技巧为：coll(堆积) + uv(微粒) + al(形容词词尾)。

Colluvial这个词源自拉丁语，意为“覆盖物”或“堆积物”。它的变化形式包括其过去式和过去分词形式（colluvialized），以及其现在分词形式（colluvializing）。

相关单词：

colluvium：冲积物，覆盖物

colluvial deposit：冲积沉积物，覆盖沉积物

colluvial soil：冲积土，覆盖土

colluvial fan：冲积扇

colluvial plain：冲积平原

colluviation：堆积，覆盖

colluvial fan movement：冲积扇运动

colluvial sedimentation：冲积沉积

colluvial landform：覆盖地貌

colluvial landform analysis：覆盖地貌分析

以上这些单词都与colluvial这个词有直接或间接的关系，它们描述了由水流、风或其他自然力量形成的覆盖物或堆积物的各种形态和分布。这些单词在地理学、地质学和环境科学等领域都有广泛的应用。

常用短语：

1. colluvium 沉积物

2. colluvial deposit 冲积沉积物

3. colluvial fan 冲积扇

4. colluvial landform 冲积地貌

5. colluvial soil 冲积土

6. colluviation 冲积作用

7. colluvial sedimentation 冲积沉积

例句：

1. The river deposited a layer of colluvial soil along the bank.

2. The mountainside was eroded by wind and rain, leaving behind a colluvial fan.

3. The soil in this area is rich in colluvial deposits, making it suitable for agriculture.

4. The soil in the valley is mostly colluvial soil, which is easy to cultivate.

5. The colluvial landform of the river valley has created a unique ecosystem.

6. The colluviation process is a crucial factor in the formation of some types of mountains.

7. Understanding the role of colluviation in sedimentary processes is essential for geologists.

英文小作文：

Colluvial deposits are an essential part of many natural landscapes, providing a unique habitat for various organisms. When rain falls on a mountain, it creates a layer of sediment that flows downhill, accumulating in valleys and forming rich soil layers that support a variety of plant and animal life. The process of colluviation plays a crucial role in shaping our planet"s ecosystems and is essential for maintaining biodiversity. From the fertile farmlands of the Midwest to the lush forests of the Pacific Northwest, colluvial deposits have played a significant role in the development of these regions" natural environments. Understanding the role of colluviation and its impact on ecosystems is essential for conserving and sustainably managing our planet"s natural resources.