英语听力：自然百科 大堡礁 堡礁内外(18)（在线收听）

A tiger shark could dismember this turtle and can even saw through her shell.

虎鲨能够肢解这只海龟能锯开它的壳。

She's on high alert.

它现在警惕性很高。

She turns and tilts rapidly,presenting her widest profile.

它迅速的转弯露出宽阔的侧面。

It's too much of a mouthful for the shark,but the tiger shark doesn't give chase.

这样虎鲨一口可别想把它吞下去，但是虎鲨没有去追逐。

It can't be bothered.

它不能被打扰。

There's a much easier way to get a meal.

有很多更容易获得食物的方法。

It's been waiting for fresh turtle carcasses to float out on the rising tide.

它在等新鲜的海龟尸体 随着潮水漂浮过来。

To predict such an event is an amazing thing for a shark to do.

一只鲨鱼能预测这样的事情很很不可思议的一件事。