V2EX extension cord

Extension Cord

释义 Definition

extension cord(名词短语):延长线,接线板。一种带有插头和插座的电线,用于将电器连接到较远的电源插座上。

发音 Pronunciation

/kstnn krd/

例句 Examples

I need an extension cord to plug in the lamp.
我需要一根延长线来插台灯。

The electrician recommended using a heavy-duty extension cord for the power tools, since a regular one might overheat under the high current load.
电工建议使用重型延长线来连接电动工具,因为普通延长线在大电流负载下可能会过热。

词源 Etymology

extension 源自拉丁语 extensio,意为"伸展、延伸",由 ex-(向外)和 tendere(拉伸)构成。cord 源自古法语 corde,最终来自拉丁语 chorda,原意为"绳索、弦"。两个词组合在一起,字面意思就是"延伸的绳线",形象地描述了这种用来延长电源距离的电线。该词在19世纪末电气化时代开始广泛使用。

相关词汇 Related Words

文学与文化引用 Literary & Cultural References

  • 在斯蒂芬金(Stephen King)的多部小说中,延长线常作为日常家居细节出现,用来营造真实的生活场景。
  • 在美国家庭安全指南和消防宣传材料中,extension cord 是高频词汇,因为不当使用延长线是家庭火灾的常见原因之一。
  • 在戴夫巴里(Dave Barry)的幽默散文中,延长线曾被用作日常生活中令人抓狂的小物件的代表,描写它们总是纠缠在一起的窘境。
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