Vocab Bloom Hub

rachet

/ˈrætʃ.ɪt/

翻译: 一种机械装置,由带齿的轮或齿条与棘爪相互作用组成,只允许单向运动。

1 个条目

noun

/ˈrætʃ.ɪt/C1formaltechnical
  • zh一种机械装置,由带齿的轮或齿条与棘爪相互作用组成,只允许单向运动。

A mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits motion in only one direction.

  1. B2formaltechnical

    A mechanical device consisting of a toothed wheel or rack that engages with a pawl, allowing motion in only one direction.

    zh棘轮机构

    • The mechanic used a ratchet to tighten the bolt.
    • The ratchet mechanism prevents the gear from slipping backward.
    • This tool has a built-in ratchet for easier operation.