V2EX two-stroke

Two-stroke

定义 Definition

two-stroke(常作定语)主要指二冲程(发动机):一种内燃机工作循环在曲轴转两圈中的“两个冲程”(上行与下行)内完成进气、压缩、做功与排气等过程(通常通过气口配气而非气门)。
也可较少见地泛指“两下/两笔”(两次击打、两次划动或两道笔触等),但最常用义是发动机领域。

发音 Pronunciation

/tu strok/

例句 Examples

My scooter has a two-stroke engine.
我的小踏板车是二冲程发动机。

Because two-stroke engines burn oil with the fuel, they can be louder and more polluting unless they’re carefully tuned and maintained.
由于二冲程发动机常把机油与燃油一起燃烧,如果不仔细调校和保养,可能更吵、污染也更大。

词源 Etymology

two(二)+ stroke(冲程/行程)构成。这里的 stroke 指活塞在气缸内的一次往复行程(上行或下行)。二冲程发动机用较少的行程完成一个工作循环,因此得名;该术语随着内燃机技术发展在工程语境中固定下来。

相关词 Related Words

文学与作品 Literary Works

  • 《Zen and the Art of Motorcycle Maintenance》(《禅与摩托车维修艺术》):机械与维护语境中常涉及发动机类型术语(如二冲程/四冲程)。
  • 《Shop Class as Soulcraft》(《修车课的灵魂工艺》):以手工技艺与修理为主题的非虚构写作中常出现此类机械词汇。
  • 摩托车/小型发动机维修类非虚构与工具书(如维修指南、工程科普):该词最常见的“出现载体”,用于区分发动机结构与工作循环。
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