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1. The emptying door is a symbol of the end of the world, as it represents the passage of time and thepassing of the old to the new.
这个空门象征着世界的终结，因为它代表着时间的流逝和旧事物的消逝。
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2. In the story, the emptying door was a portal that allowed characters to enter different realms and explore the unknown.
在这个故事中，空门是一个门户，允许角色进入不同的领域并探索未知的世界。
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3.The opening of the emptying door was accompanied by a loud creaking sound, as if the world were about to come to an end.
打开空门时，伴随着一阵响亮的吱嘎声，仿佛世界即将结束。