But she can read the pattern of the stems overhead like a map, 但她能够通过解读头顶的草茎来辨明方向
With no leaves overhead, the rays of the sun strike the forest floor directly 由于没有树叶遮蔽,阳光可以直射到森林地表上
Some flocks are so vast that they can take five hours to pass overhead. 这些鸟数量众多 让它们从你的头顶上飞过要花5个小时