south·bound /ˈsaʊθbaʊnd/ adjectiveadj , adverb TTCtravelling or leading towards the south 向南行的[地] The southbound lanes are closed. 南行车道被封闭了。
The car was last seen traveling southbound on I-35. 最后看到这辆汽车时它是在 I-35 号州际公路上向南行驶。
southbound• The car was driving southbound on Route 43.• southbound traffic