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上。

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。

Those bacteria snack on nutrients that float down from the surface—so-called marine snow.

这些细菌以从海面上落下被称为海洋雪的营养物为食。

Squid shoot up from the depths to feed near the surface.

乌贼从深海游上来靠近海面寻找食物。

No, the swell looks good. I'm ditching.

海面状况不错 我准备迫降。

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。

But large swells were likely to create life threatening surf and rip current conditions.

但海面起伏还是可能会形成威胁生命的风浪和潮流。

The image of a dorsal fin cutting through the sea surface is iconic.

背鳍划破海面是种标志性画面。

Their blowhole is just inches beneath the surface.

他的换气孔距海面只有几英寸。

It's located more than 600 feet beneath the ocean's surface.

它位于海面下600多英尺的地方。

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

漂浮在海面上的石头波浪，因为玻璃是多孔可渗透的。

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

它斜搁在离海岸不远的海面上。

It's located seven miles beneath the ocean's surface.

它位于海面下7英里处。

Right now, just below the surface, you see that life is thriving here.

此时此刻，就在海面之下，你会发现这里的生命正在蓬勃发展。

Sometimes they swim up to the surface and freak out sailors and swimmers.

有时它们会游到海面上来，吓坏了水手和游泳者。

No flying fish broke the surface and there was no scattering of bait fish.

这时没有一条飞鱼冲出海面，也没有小鱼纷纷四处逃窜。

Although if you landed in the sea, then there might be sharks.

即使你降落在海面上，那里可能也会有鲨鱼。

" Help! Help! " he called, struggling to the surface.

“救命！救命！”他大喊道，拼命挣扎着游向海面。

You just measure the average level of the oceans and that's that.

你只用测出海面平均高度就行了。

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上升的影响。