coastguardman的音標為[?k??stɡɑ?d?m?n] ，其基本翻譯為“海岸警衛隊隊員”。速記技巧可以考慮使用詞根記憶法，其中coast表示“海岸”，guard表示“警衛”，man表示“人”，組合起來即可輕松記住這個單詞。

Coastguardman這個詞的詞源可以追溯到英語中的“海岸警衛隊隊員”的含義。這個詞最初是由“海岸”和“警衛”兩個詞組合而成的，表示在海岸線上進行警衛工作的人員。

變化形式：

1. 復數形式：Coastguardmen。

2. 過去式和過去分詞：Guarded或Guardedly。

相關單詞：

1. Coastguard station：海岸警衛站，指的是海岸警衛隊的駐地。

2. Marine police：海上警察，指的是負責海上治安和救援工作的警察。

3. Marine safety：海上安全，指的是海上航行和作業的安全保障。

4. Marine rescue：海上救援，指的是在海上發生的緊急情況下的救援工作。

5. Coastline：海岸線，指的是海岸的邊界線。

6. Shoreline：濱岸線，指的是靠近海岸線的線。

7. Fishing boat：漁船，指的是在海上進行捕撈作業的船只。

8. Boat captain：船長，指的是船只的負責人和管理者。

9. Lifeguard：救生員，指的是在海灘上負責救援游泳者的專業人員。

10. Lifesaving equipment：救生設備，指的是用于救援溺水人員的專業設備。

常用短語：

1. on the coastguard"s radar

2. patrol the coastline

3. be on high alert

4. respond to distress calls

5. launch a rescue operation

6. be on standby

7. be on duty

例句：

1. The coastguardsman was on high alert as he patrolled the coastline, keeping a close eye on the waves.

2. When a distress call was received, the coastguardsman immediately launched a rescue operation.

3. The coastguardsman was on standby at the station, ready to respond to any emergency.

4. The coastguardsman was on duty at the beach, keeping an eye out for any potential dangers.

英文小作文：

The Coastguard is a crucial part of our country"s security system, responsible for keeping our coastline safe. They patrol the coastline, respond to distress calls, launch rescue operations and are always on standby to protect us from any potential danger. Without their dedication and hard work, we would not be able to enjoy our beaches and coastal areas as we do. I admire their courage and commitment, and I am grateful for their dedication to protecting our country.