A sense of direction is crucial when you get lost in the forest.

在森林里迷路时，方向感非常重要。

Is there a sense-of-direction centre in the brain?

大脑里有方向感中心吗？

The big dipper can give you a sense of direction when you were lost.

当你迷路时北斗七星可以给你一点方向感.