abstract 的音標是 [??bstr?kt]，基本翻譯是“抽象的；深奧的；摘錄；摘要”，速記技巧是“ab（縮寫）＋stract（取詞干）”。

以下是英文詞源、變化形式和相關單詞的示例，涉及抽象概念和思想：

1. abstract (adj.) - 抽象的，源自拉丁語 abstractus，意為“被提取的”或“被抽離的”。相關單詞有 abstract idea (抽象觀念)，abstract reasoning (抽象推理)，abstract thought (抽象思維)等。

2. concept (n.) - 概念，源自拉丁語 conceptus，意為“形成的”或“形成的想法”。相關單詞有 conceptual (概念的)，conceptualize (使概念化)等。

3. idea (n.) - 想法，源自拉丁語 idem，意為“相同的”或“同一的”。相關單詞有 ideological (意識形態的)，ideational (有想法的)等。

4. emotion (n.) - 情感，源自拉丁語 emovere，意為“打動”或“感動”。相關單詞有 emotional (情感的)，emotionalism (情感主義)等。

5. thought (n.) - 思想，源自中世紀拉丁語 cogitationem，意為“思考”或“考慮”。相關單詞有 intellectual (知識分子)，intuitive (直覺的)等。

6. consciousness (n.) - 意識，源自拉丁語 conscire，意為“意識到”或“覺察到”。相關單詞有 unconscious (無意識的)，subconscious (下意識的)等。

7. intuition (n.) - 直覺，源自拉丁語 intuere，意為“接觸”或“到達”。相關單詞有 intuitive (直覺的)，intuitive knowledge (直覺知識)等。

8. sentiment (n.) - 情感，情緒，源自中世紀法語 sentiment，意為“感情”或“情感”。相關單詞有 sentimental (感傷的)，sentimentality (情感性)等。

9. consciousness (n.) - 意識，consciousness 意識，在英語中是一個復合詞。Con-表示共同，共同感覺的意思，sci-表示知道、認識的意思，ness表示名詞后綴。因此，Consci-ness就是指共同的認識、意識的意思。

10. imagination (n.) - 想象力，源自中世紀法語 imagination，意為“想象”或“幻想”。相關單詞有 imaginary (想象的)，imaginative (富有想象力的)等。

以上詞源、變化形式和相關單詞可以幫助我們更好地理解和使用英語中的抽象概念和思想詞匯。

常用短語：

1. in general

2. on average

3. specifically

4. in particular

5. in essence

6. in addition

7. furthermore

例句：

1. In general, people enjoy spending their free time doing various activities. 通常來說，人們喜歡在空閑時間做各種活動。

2. On average, students spend more than ten hours a day on their studies. 平均來說，學生們每天花在學習上的時間超過十小時。

3. Specifically, we need to consider the impact of climate change on agriculture. 具體來說，我們需要考慮氣候變化對農業的影響。

4. In particular, I would like to focus on the importance of exercise for maintaining good health. 尤其是，我想強調運動對保持健康的重要性。

5. In essence, success is determined by one"s ability to overcome challenges and achieve goals. 本質上，成功取決于一個人克服挑戰和實現目標的能力。

6. In addition, we should also take into account the environmental impact of our actions. 此外，我們也應該考慮到我們的行為對環境的影響。

7. Furthermore, we need to recognize that cooperation is essential to address global challenges. 此外，我們需要認識到合作對于應對全球性挑戰至關重要。

英文小作文：

標題：The Importance of Being Flexible

Being flexible is essential in today"s fast-paced world. Whether it"s adjusting your schedule to fit a meeting or adapting to new situations, being flexible can help you navigate through life"s challenges and opportunities with ease.

For example, if you"re planning a trip and the weather forecast predicts rain, being flexible enough to adjust your plans and stay indoors can be a lifesaver. Similarly, if you"re working on a project and encounter unexpected obstacles, being able to adapt quickly can help you overcome those challenges and move forward with your work.

Being flexible also means being open to new experiences and learning opportunities. Whether it"s trying a new cuisine or learning a new skill, being open to new experiences can help you grow personally and professionally. It can also help you develop a more positive attitude towards life and be more resilient in the face of setbacks and challenges.

In conclusion, being flexible is key to success in today"s world. It can help you adapt to changing situations, navigate through life"s challenges and opportunities, and grow personally and professionally. Therefore, it"s important to be open to new experiences, learn from setbacks, and always be willing to adapt and change for the better.