英语听力：自然百科 大堡礁 珊瑚礁至雨林(19)

The water within the immediate¹ vicinity of the wreck² is an area of incredibly intense and violent predatory activity.

而在紧贴沉船的周边水域里，是气氛紧绷，危机四伏的猎场。

For the small fish that call the Yongala their home to venture to this blue water is a huge gamble.

对于在沉船庇护下长大的小鱼来说，进入周围水域是一件冒生命危险的事情。

But they've got to do it to seek out food

但为了觅食，它们还得出去。

And if they get it wrong and go too far, the difference between life and death on this wreck can be a matter of a millimeters of seconds.

如果判断失误，离沉船残骸太远，生与死的距离就在瞬息毫厘之间。

The amount of marine³ life to be found in the 100 metres of the wreck of the Yongala is truly staggering,

在这百米的沉船残骸中，人们发现的生命数量大得惊人。

arguably it's a greater concentration than on any spot on the Barrier Reef itself.

有人认为这里是大堡礁最庞大的生命据点，比任何其他据点都大。

In contrast to the middle, the landward edge of the lagoon⁴ is relatively⁵ shallow,here bright sunlight can reach all the way to the sandy bottom where conditions are right for plants to grow.

不同于中心地带，环礁湖的近岸区是浅水地带,阳光能够直接照射到海底的沙床上，这给海洋植物提供了合适的生长条件。

1 immediate   

adj.立即的；直接的，最接近的；紧靠的

参考例句：

• His immediate neighbours felt it their duty to call.他的近邻认为他们有责任去拜访。
• We declared ourselves for the immediate convocation of the meeting.我们主张立即召开这个会议。

2 wreck   

n.失事，遇难；沉船；vt.(船等)失事，遇难

参考例句：

• Weather may have been a factor in the wreck.天气可能是造成这次失事的原因之一。
• No one can wreck the friendship between us.没有人能够破坏我们之间的友谊。

3 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。

4 lagoon   

n.泻湖，咸水湖

参考例句：

• The lagoon was pullulated with tropical fish.那个咸水湖聚满了热带鱼。
• This area isolates a restricted lagoon environment.将这一地区隔离起来使形成一个封闭的泻湖环境。

5 relatively   

adv.比较...地，相对地

参考例句：

• The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
• The operation was relatively painless.手术相对来说不痛。