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。
• 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；
• 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。
• Shift from the first gear to the second gear
  从第一排档转到第二排档
• Use first gear on steep hills.
  用第一档爬上陡峭的小山。
• 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。
• The design concept, the structural features and the transmission principle of the first large multifunctional gear cutting machine in China, as well as the application of programmable controller and hydrostatic load relieving technology used on this machine are introduced in this article.
  本文介绍了我国第一台大型多功能齿轮加工机床的设计思想、结构特性、传动原理，并简介了可编程序控制器（PC）和静压卸荷技术在机床上的应用。
• 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。
• 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。
• 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；