The total length of highways open to traffic increased from 1.23 million km in 1997 to 1.76 million km in 2002, of which expressways increased from 4,771 km to 25,200 km, lifting China from the 39th to the second place in the world.是什么意思_The total length of highways open to traffic increased from 1.23 million km in 1997 to 1.76 million km in 2002, of which expressways increased from 4,771 km to 25,200 km, lifting China from the 39th to the second place in the world.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句