按照这种增长速度，到明年二月份，汽车保有量有望突破500万辆，到时平均交通运行速度将降低至曾经的脚踏自行车了。

At this rate, the number of cars in the city is expected to pass the 5m mark by February, while the average speed of the traffic slows ever closer to bicycle pace.

youdao

中国今年第一季度的经济增长速度为11.9%，中国经济的复苏是汽车销售增长的主要原因。

Sales have been boosted by China's economic rebound, which saw growth accelerate to 11.9 percent in the first quarter of this year.

youdao

交通运输是增长速度最快的二氧化碳排放源。美国想通过改变汽车的油耗标签来改变这一现状。

Transportation is the fastest growing source of emissions of carbon dioxide. The U. s. aims to change that with stickers.

youdao