fellable的音標為[?fel?bl]，基本翻譯為“可屈服的；可屈從的”。速記技巧為：可以“fell”（砍伐）+“able”（可…的）→可屈服的。

fellable這個單詞的詞源可以追溯到拉丁語fallere，意為“欺騙，欺詐”。它的變化形式包括過去式fell(ed)和fell(t)，現在分詞fallable，以及過去分詞fallen。

相關單詞：

1. fallacy（謬論）：這個詞由fallacy（欺騙）和ic（像…的）組成，表示錯誤或欺騙性的觀點或理論。

2. fraud（欺詐）：這個詞直接源自拉丁語fraudere，意為“欺騙”，現在多用于描述通過欺騙手段獲取利益的行為。

3. deception（欺騙）：這個詞由de（否定）+cept（拿）+ion（行為）組成，表示拿取或接受欺騙的行為。

4. plausible（貌似有理的）：這個詞由plausible（可論證的）和ly（…的）組成，表示看似有道理但實際上是欺騙的行為或言論。

5. unfallen（無過失的）：這個詞由un（不）+fallen（已摔倒的）組成，表示沒有犯過失或錯誤的人或事物。

以上這些單詞都與fellable這個單詞有密切的聯系，它們都反映了欺騙、欺詐等不道德的行為。同時，這些單詞也體現了語言的發展和演變，從最初的拉丁語詞源，經過不同的變化形式，衍生出了許多相關的詞匯。

常用短語：

1. fall in love

2. fall off

3. fall behind

4. fall asleep

5. fall out

6. fall ill

7. fall behind in

雙語例句：

1. I fell in love with her at first sight. (我一見鐘情。)

2. The tree fell off the branch when it was hit by a storm. (樹在暴風雨中被吹倒，從樹枝上掉了下來。)

3. If you don"t study hard, you"ll fall behind in your studies. (如果你不努力學習，你會落在別人后面。)

4. I fell asleep as soon as I hit the pillow. (我一躺下就睡著了。)

5. They fell out with each other after a long argument. (經過長時間的爭論，他們鬧翻了。)

6. He fell ill with a high fever and a sore throat. (他病了，發高燒，喉嚨痛。)

7. We fell behind schedule because of the bad weather. (由于天氣不好，我們落后于計劃。)

英文小作文：

I fell in love with the beautiful scenery of the mountains when I visited them for the first time. The trees and flowers were blooming, and the air was fresh and clear. I felt like I was in a dream, and I couldn"t wait to go back and visit them again. However, I also realized that I could easily fall behind in my studies if I didn"t work hard enough, so I must keep my focus on my studies and not let anything distract me. Finally, I hope everyone can have a chance to experience the beauty of nature and appreciate it, but we must also remember to keep up with our responsibilities and not let anything fall behind.