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

• 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。
• Turn One, for example, is a corner that you carry a lot of speed into and then you brake hard into the hairpin in first gear.
  比如第一弯，速度很快过去后马上要调到一档在发卡弯重刹。
• The operator should have placed the vehicle in lockup and in first gear.
  操作人员应该将车辆锁定在一档。
• This is gear knob: neutral gear, first gear, second gear, third gear, fourth gear, fifth gear, retreat gear.
  这是变速杆手球：空档；一挡；二挡；三挡；四挡；五挡；倒挡；
• 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。
• We finally stopped dropping into first gear at all on the pavement which.
  我们终于停止落入第一档在所有的路面其中。
• Shift into first gear and put your foot on the accelerator.
  挂一挡，脚放在油门上。
• Use first gear on steep hills.
  用第一档爬上陡峭的小山。
• But he is still stuck in first gear, and the jury's still out on whether the coaching staff will ever be able to push him into second and beyond.
  但是，现在他的水平仍然处于低档一级，评审员对他能否经过调教上升到二级或更高水平仍保持疑问。
• 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。