fail-safe system的音標為["fe?l, se?k] ，基本翻譯為“安全失效系統”，速記技巧為：fail安全系統記，安全失效系統記。

fail-safe system的英文詞源是fail（失?。┖蛃afe（安全）。

這個詞的意思是指一種系統設計，當它出現故障時，會自動采取安全措施，以防止系統崩潰或損壞。

fail-safe system的變化形式是復數形式，即fail-safes。

相關單詞有：safeguard，這個詞也表示安全措施的意思，其詞源與fail-safe system類似，都與安全有關。另外，詞組back-up和backup也有備份的意思，這個詞組的來源是計算機術語，與系統備份有關。另外，詞組fail-safe也有故障安全的意思，與fail-safe system同源。還有詞組redundant也有冗余的意思，這個詞源自古英語中的“紅色”和“多余的”。這些單詞在科技、計算機等領域都有廣泛的應用。

常用短語：

1. fail-safe system 安全失效系統

2. back-up system 備用系統

3. contingency plan 應急計劃

4. fallback option 后備方案

5. fail-proof system 確保系統不會失效的系統

6. safeguard 保護措施

7. backup protection 后備保護

雙語例句：

1. The company has implemented a fail-safe system to ensure the safety of its employees.

2. The backup protection system ensures that critical systems continue to operate in the event of a failure.

3. The contingency plan includes backup options in case of emergency situations.

4. The fail-proof system ensures that the equipment will not malfunction during operation.

5. Safeguards are implemented to prevent unauthorized access to sensitive information.

6. The fail-safe system is designed to prevent accidents from occurring in the first place.

7. Backup protection ensures that critical systems are always available in case of unexpected events.

英文小作文：

Fail-Safe System in Modern Life

Fail-safe systems have become an essential part of modern life, ensuring the safety and reliability of critical systems such as power grids, communication networks, and transportation systems. These systems are designed to prevent accidents and minimize the impact of failures, ensuring that critical operations continue uninterrupted and that public safety is never compromised.

From backup systems to contingency plans, safeguards to prevent unauthorized access to sensitive information, and fail-proof systems that ensure equipment will not malfunction during operation, fail-safe systems have become an integral part of modern society. Their importance cannot be overstated, as they protect us from the potential consequences of accidents and ensure that critical systems continue to operate effectively and efficiently.