detection的音標是[di?tekn???]，基本翻譯是“發現，察覺；偵查”。記憶技巧可以是：de（向下）+tect（遮蔽）→向下遮蔽→發現。

detection這個詞的詞源可以追溯到拉丁語detectus，意為“發現”或“揭露”。它的變化形式包括過去式detected，過去分詞detected，現在分詞detecting，以及形容詞detective。

相關單詞：

1. detective：偵探，這個詞由detective和ive組成，指代從事偵查工作的人。

2. detected：被發現的，這個詞由detected的過去分詞形式轉化而來，表示某事已被發現或揭露。

3. detecting：檢測的，這個詞由detecting表示正在進行的探測或檢測活動。

4. detection：檢測，這個詞是detection的現在分詞形式，表示探測或檢測的結果。

總的來說，detection這個詞在英語中廣泛使用，它不僅表示對事物的發現或揭露，還可以指代進行探測或檢測的活動，以及探測或檢測的結果。這個詞的詞源和變化形式都反映了其在英語中的重要性和廣泛使用。

常用短語：

1. detection of crime

2. detection of errors

3. detection of fraud

4. detection of security threats

5. detection of diseases

6. detection of viruses

7. detection of abnormalities

雙語例句：

1. The police used advanced technology to detect the crime scene.

2. The doctor detected a rare disease through a blood test.

3. The security team detected a potential threat to the event.

4. The warning system detected a storm approaching and alerted the residents.

5. The doctor detected a tumor in the patient"s lung through a CT scan.

6. The virus was detected on the computer and was promptly removed.

7. The company detected a discrepancy in the accounting records and took immediate action.

英文小作文：

Detection is an essential part of our daily lives, whether it"s detecting errors in work, detecting security threats to protect ourselves, or detecting diseases to ensure our health. Detection plays a crucial role in maintaining order, safety, and health, and it is becoming increasingly important as technology advances and new challenges arise. From detecting errors in code to detecting diseases in patients, detection has become an integral part of our society. It is essential that we continue to invest in detection technology and improve our detection capabilities to ensure that we are able to handle the challenges that lie ahead.