不久，他们发现了一条流向东南的河流。

Soon, they found that the flow of a river south-east.

youdao

但到了5月的第三周，洋流开始把浮油带向东南方向。

But in the third week of May, currents drew some of the oil southeast.

youdao

但到了5月的第三周，洋流开始把浮油带向东南方向。

But in the third week of May, currents drew some of the oil southeast.

youdao