southbound

南行的、往南的、南下的

The southbound train leaves from platform three in ten minutes.

南下的列車十分鐘後從第三月台發車。

南向的指車道、路段

Two southbound lanes were closed after the accident this morning.

今天早上發生事故後，兩條南向車道封閉。

向南地、往南地

We drove southbound for three hours without stopping.

我們一路往南開了三個小時沒有停。