V2EX trapdoor

Trapdoor

定义 Definition

trapdoor(名词):活板门,地板门。指设置在地板、天花板或舞台上的一扇可开合的门,通常与周围表面齐平,用于进出下方空间。

发音 Pronunciation

/trp.dr/

例句 Examples

He opened the trapdoor and climbed down into the cellar.
他打开了活板门,爬下去进入了地窖。

The old theater had a cleverly concealed trapdoor in the stage floor, through which actors could appear and vanish as if by magic.
那座老剧院的舞台地板上藏着一扇巧妙隐蔽的活板门,演员可以通过它如魔法般出现和消失。

词源 Etymology

trapdoor 由两个英语词组合而成:trap(陷阱)和 door(门)。trap 源自古英语 treppe,意为"踩踏、陷阱",与日耳曼语系中表示"踩"的词根有关。该词最早出现于14世纪左右,原指地面上可踩落的隐蔽门,类似陷阱的构造,后来泛指所有嵌入平面中的可开启门板。在现代英语中,trapdoor 也被引申用于计算机安全领域,指程序中的隐藏入口(后门)。

相关词汇 Related Words

文学作品中的出现 Literary References

  • 在 J.K. 罗琳的《哈利波特与魔法石》中,三头犬路威守护着一扇 trapdoor,哈利和朋友们必须穿过它才能找到魔法石。
  • 在罗伯特路易斯史蒂文森的《金银岛》中,trapdoor 出现在船舱和藏宝场景中,营造出冒险与悬疑的氛围。
  • 在维克多雨果的《巴黎圣母院》中,巴黎的地下通道与隐蔽的 trapdoor 构成了故事中神秘空间的重要元素。
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