根据第二段的 “One type of rip current, known as a channel rip current, forms when there are gaps between breaking waves.(一种类型的离岸流,被称为通道离岸流,当破碎波之间存在间隙时形成)”及“The darker corridor of the escaping water acts like a conveyor belt, moving water, unsuspecting ...
Currents are found in rivers, ponds, marshes and even swimming pools. Few bodies of water have the intricate system of currents that oceans do, though. Ranging from predictable tidal currents to fickle rip currents, ocean currents may be driven by tides, winds or differences in densi...