fail safe的音標為["fe?l, se?k??]，基本翻譯為“故障安全”或“失效安全”。

速記技巧：可以將fail分解為“fail-safe”，這樣記憶時可以聯想到“失敗-安全”的邏輯，幫助記憶。同時，也可以將safe單獨作為一個單詞記憶，以方便記憶整個單詞的意思。

希望以上信息對您有幫助。如有更多問題，可以隨時來問我哦。

Fail safe這個詞的詞源可以追溯到英語，它是由fail（失敗）和safe（安全）兩個詞組成的。這個詞的意思是“安全失效”，也就是說當某種系統或設備出現故障時，它會自動進入安全模式，以防止更嚴重的后果發生。

Fail safe的變化形式主要有名詞和形容詞兩種形式，分別為safety fail and safe-fail。

相關單詞有：

1. safety n. 安全；安全設備；保險（業）；保險金額。

2. fail v. 失敗；未及格；衰退；依賴。

3. safe adj. 安全的；平安的；無危險的。

4. failsafe adj. 安全失效的；自動安全失效的。

5. safeguard n. 防護措施；保障；防衛物。

6. fail-safe adj. 安全失效的；自動安全失效的。

7. safe-guard n. 安全措施；防護物。

8. fail-safe system 安全失效系統。

9. safe-mode 安全模式。

10. fail-proof adj. 萬無一失的；不會失敗的。

以上這些單詞都與fail safe有著密切的聯系，它們在英語中廣泛使用，表達著安全、保障、防護等含義。同時，這些單詞也體現了英語詞匯的豐富性和多樣性。

常用短語：

1. fail safe

2. fail-safe operation

3. fail-safe system

4. fail-safe configuration

5. fail-safe mode

6. fail-safe behavior

7. fail-safe assumption

例句：

1. The device has a fail-safe mechanism to prevent accidents.

2. The system is designed for fail-safe operation in case of power failure.

3. The software has a fail-safe feature that automatically restarts if it crashes.

4. The network configuration is fail-safe, ensuring that data is securely transmitted.

5. The device enters fail-safe mode when it encounters an error, preventing further damage.

6. The system assumes a fail-safe mode when there is a power failure, ensuring continuity of operation.

7. The fail-safe assumption is to immediately evacuate the area in case of emergency.

英文小作文：

Fail Safe in Safety Critical Systems

In safety critical systems, such as aviation, transportation, and manufacturing, it is crucial to design systems that are fail safe, meaning they will operate in a safe manner in the event of a failure. This ensures that accidents are minimized and that lives are protected.

Fail safe systems are designed with redundancy and backup systems to ensure that critical functions continue to operate even in the event of a malfunction or failure. These systems also include safeguards to prevent accidents, such as automatic shutdown or emergency procedures, and they are tested regularly to ensure their reliability and functionality.

Fail safe systems are essential in today"s safety-conscious world, where lives and property are at stake in the event of a malfunction or accident. By implementing fail safe designs and procedures, we can ensure that accidents are minimized and that safety is always a top priority.