門檻是門扉的下端的一根橫著的東西，常見的有木製、石制、銅製門檻。現今城市高層住宅樓里的房間大多沒有了門檻，一些地方的農村住宅和老房子依然留有門檻。在中國古代，門檻是權力和地位的象徵，家裏的門檻越高，說明主人身份越尊貴[1]。
參考文獻
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