first gear
英 [fɜːst ɡɪə(r)]
美 [fɜːrst ɡɪr]
第一速度（头档）齿轮
英英释义
noun
双语例句
- Go up the hill in first gear.
挂一挡上山坡。 - 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。 - 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 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。 - 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。 - Use first gear on steep hills.
用第一档爬上陡峭的小山。 - 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。 - Throughout President Obama's time in office, the economy's hardly shifted out of first gear despite all those billions in stimulus spending.
尽管有几十亿美元的经济刺激计划，但在奥巴马任职总统期间，经济增长速度都非常缓慢。 - Engage first gear and firmly apply the handbrake.
挂入一档并牢牢地拉好手制动器。 - A continuous series of hairpin corners causes me to reach as low as first gear and I must be careful because it is very easy to spin my tires and cause them to wear out prematurely.
发夹弯的连续系列，令我达到最低一档，我必须要小心，因为很容易旋转我的轮胎，导致他们过早磨损。