black frost

简明释义

1. 黑霜; 2. 黑冻; 3. 厚冻雾;

英英释义

例句

1.To prevent black frost damage, farmers often use row covers.

为了防止黑霜造成的损害，农民们通常使用行覆盖物。

2.After the black frost, many trees lost their leaves prematurely.

在黑霜之后，许多树木提前落叶。

3.Farmers are worried about the impact of black frost on their crops this season.

农民们担心今年季节里黑霜对他们作物的影响。

4.The weather forecast warned of possible black frost overnight, so we covered the plants.

天气预报警告说可能会有黑霜在夜间出现，所以我们给植物盖上了保护物。

5.The black frost caught everyone by surprise, damaging the vineyards.

这场黑霜让所有人都感到意外，损害了葡萄园。

作文

In the realm of meteorology, various phenomena can significantly impact agriculture and the environment. One such phenomenon is black frost, which refers to a type of frost that occurs under specific conditions, particularly when the air temperature drops below freezing while the ground remains relatively warm. This unique occurrence can be detrimental to crops, as it often leads to the rapid freezing of moisture in plant tissues, resulting in irreversible damage. Farmers must be vigilant during the fall and spring seasons when black frost is most likely to occur, as it can decimate entire fields overnight. The term black frost is somewhat misleading; it does not refer to the color of the frost itself but rather to the effect it has on vegetation. When plants are exposed to black frost, their leaves may turn black or wilted, hence the name. This phenomenon typically happens on clear nights when the sky is devoid of clouds, allowing heat to escape from the earth’s surface rapidly. In contrast to white frost, which forms when moisture in the air condenses and freezes, black frost is more insidious because it can strike without any visible warning signs. Farmers can take several measures to protect their crops from the dangers of black frost. One effective strategy is to use row covers, which are lightweight fabrics that can trap heat and shield plants from cold air. Additionally, irrigation can be employed to create a protective layer of moisture around plants, minimizing the impact of freezing temperatures. Understanding local weather patterns and frost dates is crucial for farmers to anticipate and mitigate the effects of black frost. Moreover, the implications of black frost extend beyond individual farms. In regions where agriculture is a significant part of the economy, widespread occurrences of black frost can lead to economic instability. Crop failures can result in food shortages, increased prices, and even loss of livelihoods for farmers. Therefore, research into forecasting models that predict black frost events is vital for agricultural planning and sustainability. In conclusion, black frost is a critical phenomenon that poses a threat to agriculture and the environment. Its potential to cause extensive damage to crops underscores the importance of understanding and preparing for this weather event. By employing protective measures and staying informed about weather patterns, farmers can mitigate the risks associated with black frost and safeguard their harvests. As climate change continues to alter weather patterns globally, the study of black frost and its effects on agriculture will become increasingly important for ensuring food security in the future.

在气象学领域，各种现象会对农业和环境产生重大影响。其中一个现象是黑霜，指的是一种在特定条件下发生的霜冻，特别是在气温降到冰点以下而地面相对温暖时。这种独特的现象可能对农作物造成严重危害，因为它通常导致植物组织中的水分迅速冻结，从而造成不可逆转的损害。农民在秋季和春季最容易发生黑霜时，必须保持警惕，因为它可以在一夜之间摧毁整个田地。术语黑霜有些误导；它并不指霜本身的颜色，而是指它对植物的影响。当植物暴露在黑霜中时，它们的叶子可能会变黑或枯萎，因此得名。这种现象通常发生在天空晴朗的夜晚，云层缺乏，允许热量迅速从地球表面散失。与白霜不同，白霜是当空气中的水分凝结并冻结时形成的，黑霜则更具隐蔽性，因为它可以在没有任何可见警告的情况下袭来。农民可以采取几项措施来保护他们的作物免受黑霜的危害。一种有效的策略是使用行覆盖物，这是一种轻便的织物，可以捕获热量并保护植物免受冷空气的侵袭。此外，可以采用灌溉来在植物周围创造一层保护性的水分，从而最小化冻结温度的影响。了解当地天气模式和霜冻日期对于农民预测和减轻黑霜的影响至关重要。此外，黑霜的影响不仅限于个别农场。在农业是经济重要组成部分的地区，黑霜的广泛发生可能导致经济不稳定。作物失败可能导致食品短缺、价格上涨，甚至农民生计的丧失。因此，研究预测模型以预测黑霜事件对于农业规划和可持续性至关重要。总之，黑霜是一个关键现象，对农业和环境构成威胁。它对作物造成大量损害的潜力突显了理解和准备这一天气事件的重要性。通过采取保护措施和及时了解天气模式，农民可以减轻与黑霜相关的风险，保护他们的收成。随着气候变化继续改变全球天气模式，研究黑霜及其对农业的影响将变得越来越重要，以确保未来的食品安全。