On a four-speed box the bearings are under load 25% of the time.
四档变速箱的轴承有25%的时间受载。
But I traveled to four cities, some by (high-speed) rail.
我访问了四个城市，其中一些是乘坐高速铁路前往的。
At three, four, and even five, mom's rules are just speed bumps.
就算数到三、四甚至五，妈妈们的规矩只是减速带而已。
Four new TGV high-speed rail lines will be under construction at the same time.
四条新的TGV高铁同时也会开工。
And I will show you now what is the average speed between time zero and four.
现在我要给你们看的是，0到4秒间的，平均速率。
Power is sent to all four wheels through a six-speed automatic transmission.
电力是发送到所有四个车轮通过一个六速自动变速箱。
Power is sent to all four wheels through a six-speed automatic transmission.
电力是发送到所有四个车轮通过一个六速自动变速箱。
应用推荐