more than a mile from the surface, 位于地表之下1英里多的地方
Yet their impact on life on the surface has been huge. 然而它们对地面上的生物 却有着极其深远的影响
Its surface is covered by a thick carpet of cockroaches, 地面上爬满了密密麻麻的蟑螂
and it covers nearly 10 percent of the earth's surface. 它覆盖了地球表面将近10%的面积
they will all drop to the water surface, 便会一起落到水面
In the rainy season they balloon up to the surface 每到雨季 它们便充气浮上水面
Moisture rising as water vapour from the surface of the sea 水蒸发成水蒸气从海面升起
Lava rises to the surface through this crack in the crust 熔岩经过这条地壳裂缝涌上地表
lying within a colossal rent of the earth's surface 位于地球表面的大裂谷内