美国交通部表示，美国人去年驾车行驶距离达到近3.15万亿英里。
The US Department of Transportation says Americans drove nearly 3,150 billion miles last year.
但这种电池价格昂贵，而能够驱动车辆所行驶的距离也很有限。
But they're expensive, and the distance they can power a car is limited.
每天救护车都会发动并行驶一段距离以确保准备就绪。
The ambulance will be started and driven a short distance daily to ensure readiness.
每一辆车每平均行驶距离达到了一万九千公里。
The average distance traveled per vehicle per year is 19,000 kilometers.
此种轮胎适用于长距离路 程的行驶。
此种轮胎适用于长距离路 程的行驶。
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