ad infinitum的音標是["?d?n?f?nt?m]，翻譯為“往無窮大”、“沒完沒了地”等。

速記技巧：可以將ad infinitum拆分為ad和infinitum，其中ad表示“向、往”，infinitum可以理解為“無窮大”的意思。同時，也可以使用諧音記憶法，將其譯為“愛發你聽筒”，這樣更便于記憶。

ad infinitum的英文詞源：ad-表示“向前”，infinitum意為“無限之物”。

變化形式：adj. infinitive（無限性的）；adv. infinitum（不斷地）。

相關單詞：

1. perpetual：adj. 永恒的，長期的；n. 永久的。這個詞由perpetuate派生而來，表示“使持續下去”。

2. endless：adj. 無盡的，無窮的；n. 無盡的事物。這個詞由拉丁語in-（無）和lapsus（掉落）派生而來，表示“掉落下去，消失在無邊無際之中”。

3. boundless：adj. 無邊界的，無限的。這個詞由拉丁語bounda-（邊界）派生而來，表示“沒有邊界的”。

4. infinite：adj. 無限的，無窮的；n. 無限的事物。這個詞由拉丁語infinitus派生而來，表示“無限的”。

5. eternal：adj. 永恒的，永久的。這個詞由拉丁語eternus派生而來，表示“永恒的”。

6. everlasting：adj. 永恒的，持久的。這個詞由ever-（永遠）和lasting（持久的）組合而成。

7. perpetuate：v. 使持續下去，使不朽。這個詞由perpetuo（永久）派生而來，表示“使永久”。

8. infinite space：無限空間。

9. infinite time：無限時間。

10. infinite universe：無限宇宙。

以上這些單詞都與ad infinitum相關，描述了無限、無窮、永恒等概念。

常用短語：

1. ad infinitum (ad nauseam)

2. in infinitum

3. endlessly

4. forever and ever

5. for ever and ever

6. without end

7. in an endless manner

例句：

1. They argued ad infinitum about the best way to solve the problem.

2. The debate went on in an endless manner.

3. The music played forever and ever, filling the room with melodies.

4. The endless rain continued to fall, making it difficult to see anything.

5. The ocean is endless in its depths and beauty.

6. The procession wound its way through the endless streets of the city.

7. They danced in an endless circle, lost in each other"s embrace.

英文小作文：

Time is like an endless river that flows endlessly, carrying memories and moments that make up our lives. We may try to hold on to certain moments, but time keeps moving, leaving us with only memories that linger in our minds. However, these memories are not endless, they have a beginning and an end, but the essence of them remains forever. We can never truly grasp time, nor can we stop it from flowing, but we can cherish every moment we have and make the most of it. As we move forward in life, we should remember to stop and appreciate the moments that we have, for they are all unique and precious in their own way.