For about ten or twelve days we sailed on south, down the coast of Africa.

沿着非洲海岸我们朝南航行了大约10天至12天。

Severe flooding in the Midwest sent runoff from farms south down the Mississippi River and into the Gulf of Mexico.

中西部的严重洪水将农场的径流从南部的密西西比河注入墨西哥湾。

He would make a boat and go on down the river to some settlement farther south.

他会造一条船，顺流而下，到达更南边的某个定居点。

Old maps made by whalers show sea ice extent in August of 1938. It pushes south down the coast of Greenland, creating an ideal environment for whale species like narwhal and other Arctic marine life.

捕鲸者绘制的旧地图显示了 1938 年 8 月的海冰范围。 它向南推向格陵兰岛海岸，为独角鲸和其他北极海洋生物等鲸鱼物种创造了理想的环境。