The notion is that people have failed to detect the massive changes which have happened in the ocean because they have been looking back only a relatively short time into the past.

这个概念就是说人们已经很难观察得到大范围海洋中发生的变化，因为他们只是回顾从过去以来相对短的时间。

Like coral reefs, they are a nursery for the oceans.

像珊瑚礁一样它们是海洋的托儿所。

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。

And the crowd that throngs the wharf as the steamer draws alongside is gay and debonair; it is a noisy, cheerful, gesticulating crowd. It is a sea of brown faces.

当轮船靠近码头时，蜂拥到岸边的人群兴高彩烈又彬彬有礼。他们一片笑语喧哗，人人挥舞着手臂。从轮船上望去，这是一个棕色面孔的海洋。

I am the nursery of the sea.

我是海洋生物的栖息地。

The purpose of the picture is to tell us that due attention has to be paid to the reduction in ocean resources.

这组图的目的是告诉我们应该对海洋资源的减少给予充分重视。

The ocean is a friend of mine.

海洋是我的朋友。

Ahead lay the scalloped ocean and the abounding blessed isles.

再往前是水波荡漾的海洋和星罗棋布的宝岛。

It laid the framework for subsequent ocean habitats.

它为后来的海洋栖息地奠定了框架。

Of course, the ocean's deepest trenches are much lower than this.

当，海洋最深的海沟要比这一深度低很多。

The color on these is dubbed moonlit blue, which is definitely a little fancy pants, but I appreciate the aesthetic, and they definitely stand out in a sea of other wireless headphones.

这款耳机的颜色是月光蓝，有点骚的操作，但我欣赏它的，且它绝对能在其他无线耳机的海洋中脱颖出。

Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.

他们的方法不是为了试图估算特定区域的海洋中实际动物总数（活着生物的总数），是研究单位面积中海洋生物数量的变化。

Dicing with death, they breathe air pumped through hose pipes in a desperate bid to catch the last remaining sea life.

渔民们潜入海底以死相搏，他们呼吸通过软管抽过来的空气，孤注一掷，来捕捉仅存的海洋生物。

River dolphins are smaller than their ocean-swimming cousins. They are also less active and playful.

河豚比它们在海洋中生活的亲戚要小。它们也更不活跃、更不爱玩耍。

The oceans will heat up and glaciers will melt.

海洋的温度也在不断上升，冰川不断消融。

But all I could see were miles and miles of ocean.

但我看到的只有数英里的海洋。

Only a tenth of our oceans' fish stocks could sustain heavier fishing than current levels.

只有十分之一的海洋鱼类种群能够承受比目前水平更重的捕捞。

Thus, our picture of Venus at around the time life was getting started on Earth is one of warm oceans, probably rich with organic molecules splashing around rocky shores and volcanic vents.

因此，我们对于金星在地球生命起源时候的刻画应该是一个温暖的海洋，可能岩孔和火山口附近喷溅出有机分子。

Melinda Rekdahl, Marine Conservation Scientist with the Wildlife Conservation Society's Ocean Giants Program.

野生动物保护协会海洋巨物项目的海洋保护学家梅琳达·雷克达尔说到。

That's because those hair islands burst forth like hormonal volcanoes from a sea of adolescence.

那是因为那些毛发岛屿就是由在青春期海洋中的荷尔蒙火山爆发所形成的。