Dau的音標為/d?:/，基本翻譯為“道”、“道路”等，速記技巧可以考慮與英文單詞“door”一起記憶，發音相似。

Dau這個詞的英文詞源可以追溯到古日耳曼語詞匯“dau”或“dauo”，意為“血液”。這個詞在古英語中演變成了“dauw”或“dauo”，意為“血液流”。

變化形式：

1. 單數形式：dau。

2. 復數形式：daus。

相關單詞：

1. "dawn"（黎明）這個詞源自古英語中的"dauon"，意為"破曉"。

2. "blood"（血液）這個詞直接源自古日耳曼語的"dau"。

3. "dying"（垂死）這個詞源自古英語中的"diewe"，意為"死亡"。

4. "flood"（洪水）這個詞源自拉丁語中的"fluo"，意為"流"。這個詞在古英語中演變成了"dauw"，與血液流有關。

5. "flow"（流動）這個詞直接源自拉丁語中的"fluere"，意為"流"。這個詞與血液流的含義有相似之處。

6. "pulse"（脈搏）這個詞源自拉丁語中的"pulsus"，意為"跳動"。這個詞與血液流動有關。

7. "stream"（溪流）這個詞源自拉丁語中的"stremere"，意為"流出"。這個詞與血液流的含義有相似之處。

8. "bleed"（流血）這個詞直接源自古英語中的"dauian"，意為"流血"。

9. "disease"（疾病）這個詞源自拉丁語中的"saudeo"，意為"受傷"。這個詞與血液流動的疾病有關。

10. "bleedout"（失血過多）這個詞是醫學術語，指的是由于失血過多導致的死亡。這個詞也與血液流動有關。

常用短語：

1. daily routine

2. date and time

3. double date

4. date rape

5. date stamps

6. date someone

7. date back

雙語例句：

1. I keep a regular daily routine to keep organized. (我每天保持規律的日常生活以保持組織有序。)

2. The clock displayed the date and time on the wall. (墻上的鐘顯示了日期和時間。)

3. We had a great time on our double date last night. (昨晚我們的約會非常愉快。)

4. I am not sure if I am capable of date rape, but I am willing to try. (我不確定我能否實施誘奸，但我會愿意嘗試。)

5. The letter dated from the 19th of last month has arrived. (上個月十九日發出的信件已經收到了。)

6. I am dating someone new, but I am still unsure about the relationship. (我正在與某人約會，但我對這段關系仍持懷疑態度。)

7. The painting dates back to the 18th century. (這幅畫可以追溯到十八世紀。)

英文小作文：

I enjoy going on dates with my friends because it"s a chance to have fun and make new memories together. Recently, we decided to go out for a double date and it was a lot of fun. We had dinner at a local restaurant and then went to a movie. It was great to have someone to share the experience with and we all had a good time laughing and joking around. I think dates are a great way to get to know someone better and have fun doing it together. It"s also a chance to try new things and experience new places that you might not normally go alone. I hope to have more opportunities to go on dates with my friends in the future and make more memories that we can all share together.