2. Fred says it must have been caused by combustion—the burning of gases from
rotting matter.
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佛瑞德说那一定是燃烧引起的——腐烂的物质发出的气体的燃烧。
3. Do not associate with bad people. They may spoil you as a
rotting apple spoils the apples next to it in the barrel.
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不要和坏人交往,他们可能象烂苹果破坏一个桶中它旁边的渐渐腐烂的苹果一样损坏你。