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英文單詞的變化形式和相關單詞：

變化形式：

1. 名詞：名詞的變化形式包括單數、復數、中性名詞等。

相關單詞：

1. “friend” (朋友) - “friendship” (友誼)

2. “love” (愛) - “lovely” (可愛的) - “loving” (愛慕的)

3. “beauty” (美麗) - “beautifully” (美麗地)

4. “money” (金錢) - “wealth” (財富)

5. “life” (生命) - “lifelike” (栩栩如生的)

6. “time” (時間) - “timely” (及時的)

7. “heart” (心) - “heartfelt” (衷心的)

8. “home” (家) - “homely” (樸素的)

9. “sun” (太陽) - “sunny” (陽光明媚的)

10. “world” (世界) - “worldwide” (世界范圍的)

這些單詞的變化形式和詞源反映了英語語言的發展和演變。隨著時間的推移，單詞的含義和用法也在不斷變化，這反映了社會、文化和科技的發展。通過了解這些變化形式和詞源，我們可以更好地理解英語語言的發展和演變，也可以更好地理解和使用英語單詞。

常用短語：

1. by the way

2. in a word

3. at the same time

4. on the other hand

5. as a result

6. in other words

7. the key to...

例句：

1. "By the way, I"m going on a trip next week."

2. "In a word, success requires hard work and perseverance."

3. "At the same time, we need to prioritize our tasks."

4. "On the other hand, failure can be a valuable lesson."

5. "As a result, we"ve achieved our goal."

6. "In other words, it"s important to be flexible and adapt to changing situations."

7. "The key to success is to stay focused and maintain a positive attitude."

英文小作文：

The Importance of Prioritizing Tasks

When we face a busy schedule, it"s important to prioritize our tasks to avoid being overwhelmed by everything that needs to be done. By prioritizing our tasks, we can better manage our time and focus on what"s most important. At the same time, we need to be flexible and adapt to changing situations, as priorities may change depending on the situation. In other words, it"s essential to be able to prioritize effectively and adapt to different situations to achieve our goals.