gōng kē : jiāo tōng > jiāo tōng yùn shū lèi
mùlù
yīngwénjièshì
  1. n.:  all means of traffic and transportation
fēnlèixiángqíng
<span title=张>zhāng</span> <span title=开>kāi</span> jiāo tōng yùn shū jiāo tōng gōng chéng háng hǎi jì shù yóu qì chǔ yùn gōng chéng
lún jī gōng chéng fēi xíng jì shù