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

• I didn't know how to get out of first gear.
  不知道如何从一挡到二挡。
• Shift into first gear and put your foot on the accelerator.
  挂一挡，脚放在油门上。
• 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。
• Shift from the first gear to the second gear
  从第一排档转到第二排档
• This article is a summary of the study and manufacturing of the first high parameter gear pump in China.
  聚合物熔体输送增压用高参数齿轮泵的研究制造是齿轮泵技术发展的一个重要方面。
• 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。
• Under the coach's guidance, I started to practice how to start the car, and switch to first gear, and then second and third gear;
  在他得指导下，我开始练习怎样从发动车子到换上更高的档位；
• 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。
• 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。