If you don't, you might get caught in a riptide.

如果不这样做的话，你可能就会被卷入激流中了。

You might even spot the riptide before you go into the water.

你甚至可以在下水前就分辨出离岸流是否即将发生。

If you find yourself in a riptide, don't panic.

假如你发现自己被卷入激潮时，别惊慌。

In some cases, these people were good swimmers. So how did it happen? Riptide!

而这些溺水的人中有些是很会游泳的。那么这究竟是怎么发生的呢？是激潮在作怪！

Four out of five times, it's from these rip currents, also called riptides.

这些事故五分之四是由离岸流，也称激流造成的。

This could indicate that a riptide is churning up sand, sediment and seaweed.

这种现象表明激流可能正在搅动着沙子、沉积物和海藻。

Generally, riptides are only about 25 m (80 ft) in width.

一般来说，离岸流只有25米(80英尺)宽。

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。

This is WHAT IF and here is what will happen if you were caught in a riptide.

请收看本期“假如有如果”节目，接下来我会为各位介绍，如果遇到离岸流，都会发生什么事情。

But now that you know the best method to escape a riptide, you'll be less likely to struggle against the rip current.

不过，既然你已经知道了逃离离岸流的最佳方法，你不太可能还会在激流里挣扎了。

Behind them, he heard a hissing—like the wind, like a riptide where there was no water.

在他们身后，他听到嘶嘶声——像风一样，像没有水的激流。

They all turn to look at him, and Alex feels a wave of something so much bigger than himself sweep over him, like when he was a child standing bowlegged in the Gulf of Mexico, riptide sucking at his feet.

他们都转头看着他， 亚历克斯感到一股比他自己大得多的波浪席卷了他，就像他还是个孩子时， 罗圈腿站在墨西哥湾，激流吮吸着他的脚。