But when it wants to blend in with its environment to hide from its enemies, it can take on the color of its immediate surroundings: the ocean floor, a rock, a piece of coral, whatever.

但当它想要融入环境以躲避敌人时，它就会呈现出周围环境的颜色：海底、岩石、珊瑚等等。

youdao

The rock material flows up from Earth's interior here, at the split, which forces the two sides of the ocean floor to spread apart, to make room for the new rock material.

岩石物质从地球内部的裂缝处向上流动，迫使海底向两边分开，为新的岩石物质腾出空间。

youdao

However, a pit in the floor of the crater has exposed light-toned, fractured rock.

然而，撞击坑的底部却暴露出浅色，断裂的岩石。

youdao

They lift their eyes to the tall rock walls that rise hundreds of meters up from the floor of the valley.

VOA: special.2010.07.05

Mister Wegener said the lighter continental rock floated up through the heavier basalt rock of the ocean floor.

VOA: special.2010.01.12

Also,the continents and the ocean floor are not made of the same kind of rock.

VOA: special.2010.01.12

It follows a major rock fall at the quarry in April 2012 that saw half a million tonnes of rock cover the quarry floor and hamper operations at the site.

BBC: Penrhyn Quarry wins Welsh government loan help

He described mining hydrothermal vents as "more invasive" because it would involve breaking up the uppermost metre of the sea floor and piping the rock fragments to the surface.

BBC: UK Seabed Resources joins deep-ocean mineral-mining rush

Anything substantially lower will indicate that oil is escaping through some broken piping and flowing into other rock formations below the sea floor with the possibility that it could find a way to burst through the floor into the sea from a different location.

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