in decline

in decline的音标是[ɪn dɪˈkeɪn]，基本翻译是“下降，减少”，速记技巧是：in-否定+ decline-下降。

英文词源：

in decline源自拉丁语“declinare”，意为“倾斜，下降”。

变化形式：

1. declined - 下降，衰退

2. decline rate - 下降率

3. decline in quality - 质量下降

4. economic decline - 经济衰退

5. stock market decline - 股市下跌

6. population decline - 人口减少

7. decline in morale - 士气下降

8. decline in production - 产量下降

9. decline in health - 健康状况恶化

10. decline in popularity - 受欢迎程度下降

相关单词10个：

1. recession（衰退，不景气）：指经济衰退或不景气的情况。

2. depression（沮丧，低落）：指情绪低落或心情沮丧的状态。

3. fall（落下，减少）：指物体从高处落下或数量减少。

4. drop（落下，减少）：指物体从高处落下或数量减少，也可以指价格下跌。

5. plummet（急剧下降，暴跌）：指急剧下降或暴跌的情况。

6. dwindle（减少，缩小）：指数量、规模等逐渐减少或缩小。

7. shrink（收缩，减少）：指物体体积或数量缩小或减少。

8. slump（急剧下降，暴跌）：指急剧下降或暴跌的情况，也可以指经济或市场的不景气。

9. slide（下滑，滑行）：指物体在斜面上下滑.下滑或逐渐下滑。

10. taper（逐渐减少，变细）：指逐渐减少或变细的情况。

常用短语：

1. in decline 逐渐下降

2. decline sharply 急剧下降

3. decline steadily 稳定下降

4. decline year by year 逐年下降

5. decline in quality and quantity 数量和质量下降

6. decline in production 产量下降

7. decline in morale 士气下降

例句：

1. Over the past decade, the number of visitors to our city has been in decline.

2. The company"s profits have declined sharply this year due to fierce competition.

3. The economy is steadily in decline, causing many people to worry about their job security.

4. The quality of education has declined year by year, making it harder for students to succeed in the competitive job market.

5. The production of our factory has declined significantly due to the impact of the pandemic.

6. The morale of the staff has been hit hard by the recent layoffs, with many feeling hopeless about the future.

英文小作文：

The Decline of the Environment

In recent years, we have seen a noticeable decline in the environment, from the decrease in wildlife populations to the rise in pollution levels. This decline is affecting our health, economy, and quality of life in many ways. We need to take action to reverse this trend and protect our planet for future generations.

One way to address this issue is to adopt sustainable practices that reduce our carbon footprint and minimize our impact on the environment. We can start by reducing our consumption of resources, recycling more often, and supporting companies and organizations that are committed to environmental sustainability. Additionally, we can encourage governments and businesses to take action by lobbying for policies that promote renewable energy sources and reduce emissions of harmful gases.

Ultimately, we must remember that we are all responsible for the state of the environment. By taking action together, we can reverse the decline and ensure a healthier, more sustainable future for ourselves and future generations.