A strong underwater current probably pulled her down.

一股强烈的水下水流可能把她拉下去了。

Riptide is a strong underwater current. It moves quickly away from shore and out to sea.

激潮是海面下一种强大的暗流，从海岸迅速地流向大海。

Some experts suggest that people may really have seen logs pushed to the surface by a powerful underwater current.

一些专家称人们可能确实看到了木头被水下的巨大涌流推到水面。

The little girl drowned in the stream, which is thick with mud and pollution. A strong underwater current probably pulled her down.

小女孩最终丧命于泥泞和肮脏的小溪中。一股强大的水下水流可能将她拖了下去。

The strong surface currents that can carry boats and swimmers off course are probably more familiar to us, but the deep ocean is scoured by underwater currents too.

我们可能更熟悉能把船只和游泳者带离航道的强烈的表面洋流，但深海也会受到水下暗流的冲刷。