?一：attention的用法及例句的意思：

Attention是一個英語單詞，意為“注意力”，是指人們在處理信息時所付出的精力和注意程度。

二：用法：

1. 作為名詞，attention通常用來表示人們對某事物或某人的關注、重視或注意。它可以修飾動詞，表達“給予注意”、“專心”、“關注”等含義。：

- He paid attention to every detail in his work. (他對工作中的每一個細節都非常關注。)

- The teacher asked the students to pay attention to the lecture. (老師要求學生們專心聽講。)

- The baby needs a lot of attention from his parents. (這個寶寶需要父母的關注。)

2. 作為動詞，attention可表示“吸引（某人）的注意力”。：

- The colorful decorations really caught my attention. (五彩繽紛的裝飾品真的吸引了我的注意力。)

- The loud noise outside disturbed her attention. (外面大聲的噪音打擾了她的注意力。)

3. 在醫學領域，attention也有著特殊意義，指“專注力不足癥”（Attention Deficit Disorder, ADD）和“多動癥”（Attention Deficit Hyperactivity Disorder, ADHD）。

三：例句1-5句且中英對照：

1. She was so focused on her book that she didn't even notice me come in. (她太專注于她的書，甚至沒有注意到我進來。)

2. The little boy constantly seeks attention from his parents by making loud noises. (這個小男孩總是通過制造大聲的噪音來吸引父母的注意。)

3. The teacher reminded the students to pay attention to the safety rules during the experiment. (老師提醒學生們在實驗過程中要注意安全規則。)

4. The doctor diagnosed him with ADD due to his difficulty in concentrating and staying still. (醫生根據他難以集中注意力和保持安靜的癥狀，診斷出他患有專注力不足癥。)

5. The speaker's powerful speech captured the audience's attention from beginning to end. (演講者強有力的演講從頭到尾都吸引了聽眾的注意力。)

四：同義詞及用法：

1. Concentration：意為“專注”，也是指人們對某事物或某人的關注程度，與attention用法相似。

2. Awareness：意為“意識”，強調對周圍環境或情況的知曉和理解。

3. Focus：意為“聚焦”，指將全部精力集中在某一特定事物上。

4. Consideration：意為“考慮”，也可指對某事物或某人給予的關注和重視。

5. Heed：意為“注意”，強調對某事物或某人的認真關注，并可能會采取相應的行動。