cold front

简明释义

thunderstorm

英英释义

例句

1.After the cold front passes, expect clear skies and sunshine.

在冷锋通过后，预计将出现晴朗的天空和阳光。

2.Meteorologists predict that the cold front will lead to a significant drop in temperature overnight.

气象学家预测，这个冷锋将在夜间导致气温显著下降。

3.The arrival of the cold front has made many people reach for their winter coats.

随着冷锋的到来，许多人开始拿出他们的冬季外套。

4.During the summer, a cold front can bring a refreshing break from the heat.

在夏天，冷锋可以带来一个清爽的降温。

5.A strong cold front is moving in from the north, bringing rain and lower temperatures.

一股强烈的冷锋正从北方袭来，带来了降雨和较低的气温。

作文

A cold front is a meteorological term that describes the leading edge of a cooler mass of air that replaces a warmer mass. Understanding the dynamics of a cold front is crucial for predicting weather patterns and preparing for changes in climate conditions. When a cold front moves into an area, it typically brings about a significant drop in temperature, shifts in wind direction, and often precipitation in the form of rain or snow. This phenomenon occurs because the denser, cooler air pushes under the lighter, warmer air, forcing it to rise. As the warm air ascends, it cools and condenses, resulting in cloud formation and potentially severe weather events.In many regions, the arrival of a cold front can be dramatic. For instance, one might experience a sunny day with mild temperatures, only to have dark clouds roll in as the cold front approaches. The sudden change can lead to thunderstorms, heavy rain, or even hail in some cases. Meteorologists closely monitor these fronts because they can cause hazardous conditions, especially for outdoor activities and travel.The impact of a cold front is not limited to immediate weather changes. The aftermath can also influence local ecosystems. For example, after a cold front passes, the cooler temperatures can affect plant growth cycles, animal behavior, and even water temperature in nearby bodies of water. Some species may thrive in the cooler conditions, while others may struggle to adapt, leading to shifts in biodiversity.Additionally, understanding cold fronts is essential for agriculture. Farmers must be aware of upcoming cold fronts to protect their crops from frost damage. A late spring cold front can wipe out young plants that are not yet hardy enough to withstand freezing temperatures. Therefore, accurate weather forecasting that includes information about cold fronts is vital for agricultural planning and food security.In summary, a cold front is a significant meteorological event that can dramatically alter weather conditions and have lasting effects on the environment and human activities. By studying and understanding cold fronts, we can better prepare for the challenges they present, ensuring safety and sustainability in our communities. As climate change continues to influence weather patterns globally, the importance of recognizing and responding to cold fronts becomes increasingly critical. Whether it's through improved forecasting technology or community awareness programs, being informed about cold fronts can help mitigate their impacts and enhance our resilience to changing weather conditions.

冷锋是一个气象术语，描述的是一种较冷空气团的前缘，它取代了较暖空气团。理解冷锋的动态对于预测天气模式和准备气候条件的变化至关重要。当冷锋进入一个地区时，通常会带来显著的温度下降、风向变化，并且常常伴随降水，表现为雨或雪。这一现象发生是因为较密集、较冷的空气推挤在较轻、较暖的空气之下，迫使它上升。随着暖空气上升，它会冷却并凝结，导致云的形成，并可能引发严重的天气事件。在许多地区，冷锋的到来可能非常戏剧化。例如，人们可能会经历一个阳光明媚的温暖日子，但当冷锋逼近时，黑云会涌来。突如其来的变化可能导致雷暴、强降雨，甚至在某些情况下出现冰雹。气象学家密切监测这些锋面，因为它们可能造成危险的天气条件，特别是在户外活动和旅行时。冷锋的影响不仅限于即时的天气变化。其后果也可能影响当地生态系统。例如，在冷锋经过后，较凉的温度可以影响植物生长周期、动物行为，甚至附近水体的水温。一些物种可能在较凉的条件下繁荣，而另一些则可能难以适应，从而导致生物多样性的变化。此外，理解冷锋对农业至关重要。农民必须意识到即将到来的冷锋，以保护他们的作物免受霜冻损害。晚春的冷锋可能会摧毁尚未足够坚韧以抵御低温的幼苗。因此，准确的天气预报，包括关于冷锋的信息，对于农业规划和粮食安全至关重要。总之，冷锋是一种重要的气象事件，可以显著改变天气条件，并对环境和人类活动产生持久影响。通过研究和理解冷锋，我们可以更好地为它们带来的挑战做好准备，确保我们社区的安全和可持续性。随着气候变化继续影响全球天气模式，认识和应对冷锋的重要性变得越来越关键。无论是通过改进的预报技术还是社区意识项目，了解冷锋都可以帮助减轻其影响，并增强我们应对变化天气条件的韧性。