avalanches

简明释义

英[ˈæv.ə.læntʃɪz]美[ˈæv.ə.læn.tʃɪz]

n. [水文][地理]雪崩（avalanche 的复数）

v. [水文][地理]雪崩（avalanche 的第三人称单数形式）

英英释义

单词用法

同义词

反义词

例句

1.During the spring, carbon dioxide changes from a solid to a gas with enough force to trigger small avalanches.

在春季，二氧化碳从固体升华为气体的过程中有足够的能力引发小型雪崩。

2.Too much snow, for example, can smother trees, and avalanches and snow creep can damage or destroy them.

例如，太多的雪会使树木窒息，雪崩和积雪蔓延会损坏或摧毁树木。

3.At present there is no way to predict or avoid such enormous avalanches, but, luckily, they are very rare.

目前还没有办法预测或避免如此巨大的雪崩，但幸运的是，它们非常罕见。

4.There are threatening avalanches and ice falls that protect the mountain .

雪崩和落冰好象都在保护这山一样。

5.Landslides and avalanches, they report, were among the most common.

山体滑坡和雪崩也是鸟儿们最常见死亡原因。

6.About 250, 000 avalanches occur each year in the Alps.

阿尔卑斯山每年大约发生25万次雪崩。

7.One grain of sand cannot avalanche, but pile up enough grains of sand and you get a dune that can trigger avalanches.

一粒沙子不能引起沙丘的崩塌，但是一旦堆积了足够多的沙子，就会出现一个沙丘，进而也就能引发一场沙崩。

8.Scientists are constantly studying the smaller, more common avalanches, to try to understand what causes them.

科学家们一直在研究更小的、更常见的雪崩，试图了解是什么导致这些雪崩。

9.And, as though the sun had possessed the property of melting the avalanches of slang in her brain, she went on.

这太阳好象有能力融化她脑子里的积雪，把她的一连串黑话象雪崩似的引了出来，她继续说道。

10.The heavy snowfall led to multiple avalanches 雪崩 in the mountain region.

大雪导致山区发生了多次雪崩。

11.Skiers were warned to stay away from areas prone to avalanches 雪崩.

滑雪者被警告远离易发生雪崩的地区。

12.The sound of the avalanches 雪崩 echoed through the valley.

雪崩的声音在山谷中回荡。

13.Rescue teams were dispatched to search for survivors after the avalanches 雪崩 struck.

在雪崩发生后，救援队被派遣去寻找幸存者。

14.Scientists study avalanches 雪崩 to better understand their causes and effects.

科学家研究雪崩以更好地理解其原因和影响。

作文

Avalanches are one of nature's most powerful and destructive phenomena. These sudden and fast-moving flows of snow, ice, and debris can occur on steep slopes, particularly in mountainous regions. The term avalanches (雪崩) is derived from the French word 'avalanche,' which means to fall or slide down. Understanding the conditions that lead to avalanches (雪崩) is crucial for both safety and environmental awareness. The formation of an avalanche (雪崩) typically begins with a weak layer of snow that cannot support the weight of the overlying snowpack. When additional snow accumulates, or when the temperature rises, this weak layer can become unstable, leading to a sudden release of snow and ice. Factors such as wind, temperature changes, and human activity can all contribute to the likelihood of avalanches (雪崩). There are several types of avalanches (雪崩), including slab avalanches, loose snow avalanches, and wet snow avalanches. Slab avalanches (雪崩) are particularly dangerous because they involve a large mass of snow breaking away from the slope all at once. Loose snow avalanches (雪崩), on the other hand, occur when individual particles of snow slide down the slope, often starting small but gaining momentum and size as they descend. Wet snow avalanches (雪崩) happen when melting snow becomes heavy and saturated, making it more likely to slide. The impact of avalanches (雪崩) can be devastating. They can destroy homes, roads, and infrastructure, and pose significant risks to anyone in their path. In mountainous areas, ski resorts must constantly monitor snow conditions to ensure the safety of skiers and snowboarders. This involves using various tools and techniques, such as avalanche forecasting, controlled detonations, and maintaining proper signage to warn of potential danger. In addition to their immediate dangers, avalanches (雪崩) also play a role in shaping the landscape. They can create new paths and alter ecosystems by redistributing snow, soil, and vegetation. The study of avalanches (雪崩) is essential for understanding these natural processes and mitigating their impacts on human activities. To stay safe in areas prone to avalanches (雪崩), it is important to follow safety guidelines and be aware of the signs of instability in the snowpack. Skiers and outdoor enthusiasts should carry avalanche safety gear, such as transceivers, probes, and shovels, and be trained in how to use them effectively. Furthermore, educating oneself about avalanche awareness can significantly reduce the risks associated with these natural events. In conclusion, avalanches (雪崩) are a powerful reminder of nature's unpredictability. While they can be beautiful and awe-inspiring, they also require respect and caution. By understanding the science behind avalanches (雪崩) and taking appropriate safety measures, we can enjoy the mountains while minimizing the risks they pose. Whether you are a seasoned mountaineer or a casual hiker, knowledge about avalanches (雪崩) is essential for a safe and enjoyable outdoor experience.