She watched the train drag her car almost a kilometer down the railway tracks.

她看着火车把她的车沿着铁轨拖了将近一公里。

youdao

Some of these cars don't have a single kilometer on them. They basically forklift it and put it down at home because they don't want to put any miles on the car.

这些车有的里程表上显示为零，这些车一路上被货车和铲车运到家里，因为他们的主人不希望里程表上的数字有任何的变动。

youdao

In November 1885, Daimler’s son Adolph Daimler drove the riding car along a three-kilometer stretch of road between Caanstatt and Untertürkheim and back.

1885年11月，戴姆勒的儿子阿道夫.戴姆勒（Adolph Daimler）开着骑式双轮车在Caanstatt 和Untertürkheim（德国斯图加特城中的两个区）之间的3公里路上跑了个来回。

youdao

As part of a drive to combat global warming the European Commission has been preparing to propose legislation that restricts CO2 emissions from cars to an average of 120 grams per kilometer by 2012. (See: "Carbon Trading Catch-Up") Currently the average new car in Europe produces 160 grams of carbon dioxide per kilometer.

FORBES: Merkel Defies EU Over Carbon Rules