concentrate的音標是[k?n?sent?re?t]，基本翻譯是“集中，專心；濃縮；聚集”，速記技巧是：con-centr-ate。

concentrate的英文詞源是拉丁語，意為“集中”。其變化形式包括：

1. concentrated：由concentrate派生而來，意為“濃縮的”或“集中的”。

2. concentrate on：意為“集中精力在...上”。

相關單詞：

1. attention：意為“注意力”，與concentrate有相似的含義，都表示集中精神。

2. focus：意為“聚焦”，與concentrate也有相似之處，都表示將注意力集中在某個事物上。

3. centralize：意為“集中于中央”，表示將事物或資源集中到中心位置。

4. intensify：意為“加強”，與concentrate有相似之處，都表示加強某種狀態或力量。

5. segregate：意為“隔離”，與concentrate也有相似之處，但強調的是將不同的事物或群體分開。

6. collect：意為“收集”，與concentrate也有一定的聯系，都表示將事物聚集在一起。

7. concentration：意為“濃度”，與concentrate有直接的聯系，表示集中或濃縮的狀態。

8. accumulate：意為“積累”，與concentrate也有一定的聯系，都表示逐漸積累的過程。

9. intensely：意為“強烈地”，與concentrate的集中狀態有相似之處，強調集中注意力的程度。

10. concentration camp：意為“集中營”，與concentrate有直接的聯系，表示將人集中關押的地方。

常用短語：

1. concentrate on：集中精力在...上

2. concentrate one"s attention：集中注意力

3. concentrate the troops：集中軍隊

4. concentrate the forces：集中力量

5. concentrate the efforts：集中努力

6. concentrate the resources：集中資源

7. concentrate the mind：集中思想

例句：

1. I"m trying to concentrate on my homework, but my mind keeps wandering.

2. The teacher concentrated his attention on explaining the new lesson to the students.

3. The troops concentrated at the designated location and prepared for the attack.

4. We must concentrate our forces on the task at hand and not be distracted by other matters.

5. The efforts of the volunteers concentrated on helping those in need.

6. The resources of the company are concentrated on research and development.

7. The mind of the student was concentrated on solving the math problem.

英文小作文：

When it comes to success, concentration is key. Whether it"s studying for a test, working a job, or achieving a goal, we need to focus our efforts and energy to reach our objectives. Without concentration, we"ll be scattered and unable to achieve our goals.

However, concentration is not always easy to maintain. We"re often distracted by various external and internal factors, such as our thoughts, environment, and other people. But by learning to control our focus and ignore distractions, we can improve our concentration and achieve our goals more effectively.

In conclusion, concentration is essential for success. It helps us stay focused and determined, enabling us to overcome obstacles and reach our goals. With practice and discipline, we can develop better concentration skills and achieve our dreams.