一场火灾发生，所有人都会设法逃离火场；

A fire that everyone managed to escape from the fire;

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或者，稳定性可以被定义为生态系统在发生重大扰动，如一场火灾后，恢复到特定形式的速度。

Alternatively, stability can be defined as the speed with which an ecosystem returns to a particular form following a major disturbance, such as a fire.

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昨晚发生了一场火灾。

A fire happened last night.

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we went to a fire in the West End

我们去救发生在伦敦西区的一场火灾，

退休的消防员叔叔 - SpeakingMax英语口语达人