Grylls is abandoned in a wild area and has to find his way out.

格里尔斯被遗弃在一个荒芜的地方，他必须找到出路。

"Ultimately your survival depends on this," Bear Grylls has written.

最终，石兰决定了你的生存，熊格里尔斯写道。

'Bear Grylls: the Bear Essentials' will be available soon on the Apple App Store.

熊格里尔斯：熊精华，将可在不久的苹果应用程序商店。

The president will then join Grylls in the woods for a crash course in survival techniques.

奥巴马将跟随《越野千里》贝尔•格里尔斯进入丛林，上一堂生存技巧速成课。

Grylls willingly jumps into quicksand, icy lakes or roaring rapids to show how to survive a variety of circumstances.

Grylls愿意一头扎进流沙、冰湖或者咆哮的急流中，来表现在不同的环境中怎样生存。