detectives的音標為[d?"tekt?vz]，基本翻譯為“偵探”，速記技巧為：偵探是detective+偵探（ist）。

Detectives這個詞源自英語，其詞源可以追溯到拉丁語和法語。它的基本含義是“偵查員”或“偵探”。這個詞的變化形式包括過去式和過去分詞形式的“detected”，現在分詞形式的“detecting”，以及形容詞形式的“detective”。

相關單詞：

1. investigation：這個詞與detectives有著密切的聯系，它指的是“調查”或“偵查”。這個詞源自法語，其詞源可以追溯到拉丁語。

2. suspect：這個詞與detectives也有著密切的聯系，它指的是“嫌疑人”或“可疑的人”。這個詞源自拉丁語，其詞源可以追溯到希臘語。

3. evidence：這個詞與detectives也有著密切的聯系，它指的是“證據”或“證明”。這個詞源自拉丁語，其詞源可以追溯到希臘語。

以上三個單詞都與偵探的工作有關，它們都涉及到調查、偵查和尋找證據的過程。這些單詞的使用和含義隨著時間的推移而發生了變化，但它們仍然在英語中扮演著重要的角色。

總的來說，detectives這個詞及其變化形式和相關單詞在英語中具有豐富的含義和用法，它們反映了偵探工作的復雜性和重要性。

常用短語：

1. detectives investigating

2. detectives on the case

3. a team of detectives

4. detectives working hard

5. detectives at their wits" end

6. detectives on the hunt

7. detectives in pursuit of the culprit

例句：

1. A team of dedicated detectives is working hard to solve the case.

2. Detectives investigating the murder are at their wits" end trying to find the culprit.

3. Detectives in pursuit of the culprit are on the hunt for clues that will lead them to the perpetrator.

英文小作文：

Detectives are a crucial part of any investigation, working tirelessly to uncover the truth and bring justice to those who have been wronged. They are often faced with complex cases and challenging situations, but they never give up, always pursuing the truth with dedication and perseverance. Their work is not easy, but their commitment and dedication are truly admirable. I hope that one day, I too, can become a detective and contribute to the world in my own way.