It starts to melt the sea ice.

海面的冰层开始融化。

They brought it back to a ship on the surface.

潜水员把记录器带回了海面的船。

Deep beneath the frozen surface of the Arctic swims a sea unicorn.

在北极冰冻海面的深层，游动着海洋独角兽。

The tunnel would be well-ventilated if tall chimneys were built above sea level.

如果再建些伸出海面的高大的烟囱状通风管，隧道就具备了良好的通风条件。

One climate in no group is highland way above the sea.

海面高低的气候不包括在内。

At low tide, we place a tape measure perpendicular from the sea up the shoreline like this.

退潮时，我们在海岸线放一个垂直于海面的卷尺，像这样。

Still other times it can create rock formations sticking up out of the water, called sea stacks.

有时它还能创造出垂直海面的岩石形态，而这种岩石就被称作海蚀柱。

Now the seascape is breaking up.

现在海面的冰开始分裂。

The low oxygen levels might force the whales' prey towards the surface, where oxygen is a bit more plentiful.

低氧水平可能迫使鲸鱼的猎物升至海面，因海面的含氧量足。

But not all food comes from the sunlit world above.

不过不是所有的食物来自阳光普照的海面。

Waves of stone, floating on sea foam all because the glass is porous.

漂浮在海面的石头波浪，因玻璃是多孔可渗透的。

Extra reconnaissance aircraft and helicopters will scour the sea around the Island of Reunion.

侦察机和直升机还将搜寻留尼旺岛周围的海面。

Keep track of suspiciously calm areas between the waves, and watch for different colors in different spots.

仔细观察一下平静的海域泛起的海浪，注意看不同位置的海面呈现的不同颜色。

Bangladesh is directly affected by the phenomena occurring in the Himalayas and at sea level.

孟加拉直接受到喜马拉雅山的变化和海面升的影响。

Often the seafloor rose to within two meters of the surface of the water.

平原时常升至距海面不及两米的深度。

Algae need light, so must live near the surface—as must the zooplankton and other animals that need the phytoplankton.

海藻需要光线，所以必须生活在接近海面的区域—还有需要浮游植物的浮游动物和其它动物也同样如此。

It was lying on its side not far from the shore.

它斜搁在离海岸不远的海面。

Isn't it. You see the oil floating around in the ocean.

不是吗？你看那海面漂着的油。

I'm seeing really warm sea surface temperatures in the equatorial East Pacific.

我在赤道东太平洋看到非常温暖的海面温度。

Sea mounts are underwater hills or mountains whose summits are below the ocean surface.

海山是指山峰低于海面的水下山丘或山脉。