first gear

短语

一档; 头挡

词形变化

first gears 复数 first gears

释义与例句

n.
  1. 1.

    The first gear of a transmission or other gearbox, which usually is the one that provides the lowest output speed and greatest mechanical advantage, except in setups in which there is a granny gear.

    第一档

    可数 不可数

    Near-synonym: low gear (synonymous except when a creeper gear is present)

词汇关系