地震时，如正值天气炎热，则人、畜尸体迅速腐烂，严重污染环境，必须尽快处理。
If the earthquake takes place in a hot season, the dead bodies of human and animal would decay rapidly and pollute the environment seriously, so they must be dealt with as quickly as possible.
腐烂过程中迅速消耗氧气，分解细菌由厌氧菌取代。
The oxygen is quickly used in the decay process, and anaerobic bacteria take over.
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