forecast

"forecast"的音标为[ˈfɔːkɑːst]，基本翻译为“预测，预报”。

速记技巧：可以将单词拆分记忆，如“fore-cast”，“fore”意为“前”，“cast”意为“投掷”，可以理解为向前投掷出未来的天气情况，即“预测，预报”。

Forecast这个词的词源可以追溯到拉丁语“fore”和“dictum”，意为“预言未来”。它的变化形式包括过去式“forecast”，过去分词“forecast”，现在分词“forecasting”以及名词形式“forecast”。

相关单词：

Forecasting（预测）：这个词表示对未来事件的预测或预报。这个词强调了预测的过程和方法。

Forecasts（预测）：这个词可以指代对未来事件的预测结果，通常用于描述具体的预测结果。

Forecastability（可预测性）：这个词强调了某种事物或事件可以被预测的性质或能力。

Forecaster（预报员）：这个词指的是负责预测未来事件的专业人员。

Forecasting technology（预测技术）：这个词指的是用于预测未来事件的技术和方法。

Forecasting tools（预测工具）：这个词指的是用于帮助预测未来事件的工具或软件。

Forecasting errors（预测误差）：这个词指的是预测结果与实际事件之间的差异或偏差。

Forecasting accuracy（预测准确性）：这个词用来评估预测结果的准确程度。

Forecasting methods（预测方法）：这个词指的是用于预测未来事件的各种方法或策略。

Forecast这个词在英语中非常常见，它不仅用于天气预报，还广泛应用于经济、政治、科技等各个领域。这个词的使用和普及反映了人们对未来事件的关注和预测的重要性。

常用短语：

1. long-term forecast长期预报

2. weather forecast天气预报

3. temperature forecast气温预报

4. rainfall forecast降雨量预报

5. wind speed forecast风速预报

6. snow forecast雪情预报

7. hurricane forecast飓风预报

双语例句：

1. The government has issued a long-term forecast for the economy, expecting a steady growth in the next decade. (政府发布了长期经济预测，预计未来十年经济将稳步增长。)

2. The weather forecast predicts heavy rain for tomorrow, so we should bring an umbrella with us. (天气预报预测明天有暴雨，所以我们应该带伞。)

3. The temperature forecast for next week suggests that we should pack light clothes. (下周气温预报显示我们需要带上轻薄的衣服。)

4. The wind speed forecast for the mountains is expected to reach 30 miles per hour, so we should bring some warm clothes. (山区风速预报预计达到每小时30英里，所以我们应带上一些暖和的衣服。)

5. Hurricane forecasters predict that a severe storm is heading towards our area, so we should be prepared for power outages and flooding. (飓风预报员预测一场严重的风暴正朝我们的地区袭来，我们应该做好准备应对停电和洪水。)

6. The government has issued a warning of potential snowfall in some regions, urging people to prepare for possible travel disruptions. (政府发出了一些地区可能降雪的预警，提醒人们做好应对可能出现的交通中断的准备。)

7. The temperature is expected to drop significantly in the next few days, so we should start preparing for the winter season. (预计未来几天气温将大幅下降，我们应该开始为冬季做准备。)

英文小作文：

The weather plays a crucial role in our daily lives, and it is essential to have accurate weather forecasts to plan our activities and prepare for potential disasters. However, weather conditions can be unpredictable, and sometimes we need to rely on long-term forecasts to understand how certain trends may affect our future.

For instance, if we are considering investing in a new business venture in a certain region, we may need to take into account the long-term weather patterns to determine if the climate is suitable for our product or service. Similarly, if we are planning a vacation, we need to consider the weather conditions during our intended travel period to avoid disappointment due to unexpected weather conditions.

On the other hand, weather forecasts can also be used for more practical purposes, such as planning outdoor activities or preparing for unexpected emergencies. Knowing the expected temperature and precipitation patterns can help us make informed decisions about what to wear, bring with us, and how to protect ourselves from adverse weather conditions.

In conclusion, weather forecasts are essential tools that help us plan our daily activities and prepare for potential disasters. By using long-term forecasts and understanding how weather patterns may affect us in the future, we can make better decisions and be better prepared for whatever the weather may bring.