tensioner

n. 拉紧器, 张紧装置；皮带张力器

词形变化

tensioners 复数 tensioners

释义与例句

n.
  1. 1.

    Any device that maintains or applies tension

词源

Etymology tree Proto-Indo-European *ten- Proto-Indo-European *tend-der. Proto-Italic *tendō Latin tendō Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin tēnsiōder. Middle French tensionbor. English tension Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English tensioner From tension + -er.

来源：wiktionary