..but beneath the surface, it is an arena 但海面之下 是一个
Every journey below the surface can reveal something extraordinary. 每一次水中之旅都能揭开奇妙事物的面纱
created by the water's moving surface. 透过流动的水面瞄准
the surface of our planet has undergone a sudden change. 地球的表面发生了突然的变化
so, to locate prey on the surface of the dune, 所以 为了定位沙丘表面上的猎物
hardly ever appears on the surface of the dunes. 鲜少出现在沙丘表面
but just an inch beneath the surface of the sand, 但仅仅是沙子表面下几厘米处
surface temperatures can reach 160 degrees, 沙漠地表温度可达七十一摄氏度
The forest floor is 30 feet below the water's surface. 水面至林地表层深达九米