adj.南行的，向南的

The train is heading southbound towards Atlanta.
这列火车正向南方的亚特兰大驶去。
We took the southbound freeway to reach the beach faster.
我们走了一条南行的高速公路以便更快地到达海滩。
The traffic on the southbound lane was moving smoothly.
南行车道上的车流很顺畅。
They decided to catch the next southbound bus to avoid the rush hour.
他们决定乘坐下一班南行的公交车以避开高峰时段。
She's planning a southbound road trip along the coast this summer.
她计划今年夏天沿着海岸线进行一次往南的公路旅行。
Due to construction, all southbound lanes will be closed tonight.
因为施工，今晚所有南行车道将关闭。
The southbound flight was delayed due to bad weather conditions.
南飞航班因恶劣天气条件而延误。
He spotted his friends waving from the southbound platform.
他看到朋友们在南行月台上挥手。
The southbound train arrived earlier than expected, much to passengers' relief.
南行的火车比预期早到，这让乘客们松了口气。
They packed their bags and hit the road for a spontaneous southbound adventure.
他们收拾好行李，踏上了一场即兴的南下冒险之旅。