The only escape is below the surface. 唯一的藏身之处当然是在沙子下面
The source of these toxic fumes lies several miles below. 这些毒气的源头位于地下几英里处
Spectacle caiman linger below, 眼镜凯门鳄在下面游荡
It's over a hundred metres below the level of the sea. 它的地势低于海平面100多米