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

• 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。
• 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。
• I didn't know how to get out of first gear.
  不知道如何从一挡到二挡。
• 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。
• It tends to get stuck in first gear, has trouble changing direction, hesitates when the road gets rough and never seems to reach its destination. It's a company car.
  第一档容易失灵，换向有问题，当路不好走时不好开或是永远也到不了目的地，这就是公司的公车。
• 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。
• Revision for the Model of the Design about the First Machine Gear Shaping Cutters
  关于剃前插齿刀设计模型的修正
• To place the unit in first gear, the band is applied to hold the sun gear from moving.
  如果，将行星机构置于一档，制动箍带将锁住太阳轮。
• 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。
• 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；