first gear

英 [fɜːst ɡɪə(r)]

美 [fɜːrst ɡɪr]

第一速度（头档）齿轮

英英释义

noun

• the lowest forward gear ratio in the gear box of a motor vehicle
  Synonym:firstlow gearlow

双语例句

• The D mode operates and feels like an automatic, except for a subtle but noticeable stutter when moving out of first gear.
  除了一档起步时会有轻微但能够察觉到的抖动之外，D档的操作感觉和自动档汽车差不多。
• Go up the hill in first gear.
  挂一挡上山坡。
• We slow down to first gear and ten miles an hour.
  我们减速至第一挡，每小时10英里。
• Shift into first gear and put your foot on the accelerator.
  挂一挡，脚放在油门上。
• To shift from first to high gear, the band is released and the clutch is applied causing the output shaft to turn at the same speed as the input shaft.
  如果从一档换至高速档，制动带松开，离合器接合，则输出轴和输入轴同速同向旋转。
• More torque can be sent to the wheels in first gear than in fifth gear because first gear has a larger gear-ratio by which to multiply the torque.
  一档变速传给车轮的转矩比五档传出的转矩大，因为一档变速有大的传动比，而大的降速比则加大了驱动力矩。
• Engage first gear and firmly apply the handbrake.
  挂入一档并牢牢地拉好手制动器。
• Use first gear on steep hills.
  用第一档爬上陡峭的小山。
• By client basis oneself risk is mixed the ability that pay fee, choose first gear to cast at least protect.
  由客户根据自身风险和交费能力，至少选择一档投保。
• When the gear reducer is required to shutdown under normal condition, first stop gear reducer before lubricating station.
  当减速机在正常情况下停止运行时，应该先停减速机，后停润滑站。