纪录片《我们的地球》 第222期 无垠深海(14)

Soft corals, several meters across collect the marine¹ snow as it drifts past.

几米长的软珊瑚，收集流过它们身边的海雪。

Whip corals stretch out into the current.

海鞭在海流中伸出手来。

Giant sponges filter nourishment² from the cold water.

大海绵从冰冷的海水中汲取营养。

A richly varied³ community flourishes here

一个丰富的物种群落在这里昌盛，

sustained by the nutrients⁴ and detritus⁵ in the icy currents that flow around the peak.

得益于洋流持续不断地携带养分从这里流过。

Yet it is all blossoming on an extinct volcano, a mile below the reach of the Sun.

这些生物在这座死火山的的繁荣地点，离阳光照射到的地方还有1英里呢。

A nautilus. It spends it's days hiding four hundred meters down.

鹦鹉螺。白天它躲在400米深的海底。

But as night falls, it ascends⁶ up to the reefs, to look for food.

到了晚上，它就游上来到珊瑚礁附近寻找食物。

It's graceful⁷ shell contains gas filled floatation chambers⁸, that control it's depth.

它那优美的外壳由充满空气的小室组成，使它可以控制深度。

It's powered by a jet of water, squirting from a siphon,

它的动力来自虹吸管喷射的水流，

but it travels shell first, so it can't see exactly where it's going.

由于它是倒着游，所以它自己也很难看清楚自己要去哪里。

It's nearest living relatives are squid and octopus⁹, which, over evolutionary¹⁰ time, have both lost their shells.

它是已经进化到已经没有壳的章鱼和乌贼的近亲。

1 marine   

adj.海的；海生的；航海的；海事的；n.水兵

参考例句：

• Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
• When the war broke out,he volunteered for the Marine Corps.战争爆发时，他自愿参加了海军陆战队。

2 nourishment   

n.食物，营养品；营养情况

参考例句：

• Lack of proper nourishment reduces their power to resist disease.营养不良降低了他们抵抗疾病的能力。
• He ventured that plants draw part of their nourishment from the air.他大胆提出植物从空气中吸收部分养分的观点。

3 varied   

adj.多样的，多变化的

参考例句：

• The forms of art are many and varied.艺术的形式是多种多样的。
• The hotel has a varied programme of nightly entertainment.宾馆有各种晚间娱乐活动。

4 nutrients   

n.（食品或化学品）营养物，营养品( nutrient的名词复数 )

参考例句：

• a lack of essential nutrients 基本营养的缺乏
• Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》

5 detritus   

n.碎石

参考例句：

• Detritus usually consists of gravel, sand and clay.岩屑通常是由砂砾，沙和粘土组成的。
• A channel is no sooner cut than it chokes in its own detritus.一个河道刚被切割了不久，很快又被它自己的碎屑物质所充塞。

6 ascends   

v.上升，攀登( ascend的第三人称单数 )

参考例句：

• The azygos vein ascends in the right paravertebral gutter. 奇静脉在右侧脊柱旁沟内上升。 来自辞典例句
• The mortality curve ascends gradually to a plateau at age 65. 死亡曲线逐渐上升，到65岁时成平稳状态。 来自辞典例句

7 graceful   

adj.优美的，优雅的；得体的

参考例句：

• His movements on the parallel bars were very graceful.他的双杠动作可帅了!
• The ballet dancer is so graceful.芭蕾舞演员的姿态是如此的优美。

8 chambers   

n.房间( chamber的名词复数 )；（议会的）议院；卧室；会议厅

参考例句：

• The body will be removed into one of the cold storage chambers. 尸体将被移到一个冷冻间里。 来自《简明英汉词典》
• Mr Chambers's readable book concentrates on the middle passage: the time Ransome spent in Russia. Chambers先生的这本值得一看的书重点在中间：Ransome在俄国的那几年。 来自互联网

9 octopus   

n.章鱼

参考例句：

• He experienced nausea after eating octopus.吃了章鱼后他感到恶心。
• One octopus has eight tentacles.一条章鱼有八根触角。

10 evolutionary   

adj.进化的；演化的，演变的；[生]进化论的

参考例句：

• Life has its own evolutionary process.生命有其自身的进化过程。
• These are fascinating questions to be resolved by the evolutionary studies of plants.这些十分吸引人的问题将在研究植物进化过程中得以解决。