David的音標為[?de?v?d]，基本翻譯為“大衛”。速記技巧可以考慮使用諧音“大衛多”，這樣更方便記憶。

David列出英文詞源變化形式相關單詞如下：

詞源：拉丁語

1. “to lead” (領導) - 詞源：拉丁語“ducere”，表示“引導”或“帶領”。變化形式：led，leading，leader。

2. “to know” (知道) - 詞源：拉丁語“scire”，表示“知道”或“了解”。變化形式：knew，knowledge，knowing。

3. “to speak” (說話) - 詞源：拉丁語“loquere”，表示“說話”或“言語”。變化形式：spoke，speech，spoken。

4. “to write” (寫作) - 詞源：拉丁語“scribere”，表示“寫作”或“記錄”。變化形式：wrote，writer。

5. “to do” (做) - 詞源：拉丁語“agere”，表示“行動”或“做”。變化形式：did，doing。

6. “to see” (看見) - 詞源：拉丁語“videre”，表示“看”或“看見”。變化形式：saw，seen。

7. “to hear” (聽見) - 詞源：拉丁語“audire”，表示“聽”或“聽見”。變化形式：heard，heard。

8. “to buy” (購買) - 詞源：古英語“byiaung”，表示“購買”或“交易”。變化形式：bought。

9. “to sell” (銷售) - 詞源：古英語“sellan”，表示“賣”或“銷售”。變化形式：sold。

10. “to go” (去) - 詞源：古英語“gao”，表示“走”或“移動”。變化形式：went，gone。

以上單詞在英語中具有豐富的變化形式，反映了英語語言的發展和演變。這些單詞的演變不僅體現了英語詞匯的豐富性，也反映了人類社會和文化的變遷。

常用短語：

1. by the way 順便問一下

2. all over the world 全世界

3. at the same time 同時

4. get along well with 與...相處得好

5. make a decision 做決定

6. keep an eye on 留意

7. in a hurry 匆忙

例句：

1. "By the way, where is my phone?" 順便問一下，我的手機在哪里？

2. "I am all over the world today, visiting different cities." 今天我去了世界各地不同的城市。

3. "We can"t work at the same time if we don"t communicate." 如果我們不交流就無法同時工作。

4. "I have to get along well with my roommate or else it will be a disaster." 我必須與我的室友相處得好，否則就會是一場災難。

5. "I have to make a decision about my future soon." 我必須盡快做出關于我未來的決定。

6. "Keep an eye on my sister while I am away." 我離開時請留意一下我妹妹。

7. "I am in a hurry to catch my flight." 我匆忙趕飛機。

英文小作文：

My Life in a Day

Today, I woke up early and had breakfast before going to work. I had a busy day, but it was fun. I met some new friends and we had lunch together. After work, I went home and watched TV and played video games. Then, I went out for dinner with my family and we had a great time. I am tired now, but I am looking forward to tomorrow, when I will start my new day.

This is what my life is like, full of ups and downs, but always full of joy and happiness. I am grateful for everything that I have and everyone who is in my life. I hope everyone can experience what I have today and live a wonderful life filled with love and happiness.