跟读练习: Why should we care about coral reefs? - 通过视频学习英语口语

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28 句
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1
People often ask me why should we care about coral reefs?
人们经常问我,我们为什么要关心珊瑚礁?
2
Corals build one of the most important ecosystems in the ocean.
珊瑚构建了海洋中最重要的生态系统之一。
3
They are animals, but they look like rocks
它们是动物,但看起来像石头。
4
because they make a skeleton underneath themselves and they leave it behind as they grow up toward the sun.
因为它们会在自身下方形成一个骨架结构,当它们向着阳光生长时,就会把这个骨架留在身后。
5
And then that creates homes for sponges and clams and snails.
然后,这就为海绵、蛤蜊和蜗牛创造了栖息的家园。
6
And those smaller organisms are what feed the bigger fish and the bigger fish.
而那些较小的生物正是大鱼的食物,更大的鱼又以这些大鱼为食。
7
So without the corals, you slowly lose the ability to support the entire pyramid.
因此,如果没有珊瑚,维持整个生态金字塔的能力就会逐渐丧失。
8
People often don't realize that they help protect the shorelines from waves, from big storms and from hurricanes.
人们往往没有意识到,它们有助于保护海岸线免受海浪、大风暴和飓风的侵袭。
9
We know that corals can live for a long time, but what's particularly interesting about that is
我们知道珊瑚可以存活很长时间,但其中特别有趣的一点是
10
that they're living in the blazing hot sun near the equator for hundreds and hundreds of years.
他们数百年来一直生活在赤道附近烈日炎炎的环境中。
11
So now scientists are looking into how a coral manages to repair its DNA
因此,现在科学家们正在研究珊瑚是如何修复自身DNA的。
12
when it's sitting in the blazing sun for decades and decades,
当它在炽热的阳光下暴晒数十年又数十年时,
13
and hopefully we can understand how to prevent the mutations that eventually lead to cancer in humans.
希望我们能了解如何预防最终导致人类癌症的突变。
14
Corals live with algae in their tissues.
珊瑚与藻类共生在它们的组织中。
15
It would be as if you had lettuce growing under your skin
那就好像你的皮肤下面长着生菜一样。
16
and you were able to use the calories that that lettuce was making without eating any food.
你无需进食任何食物,就能利用生菜产生的热量。
17
When a coral bleaches, the balance between that algae and that host coral sometimes goes off.
当珊瑚发生白化时,藻类与宿主珊瑚之间的平衡有时会被打破。
18
The coral spits out those symbiotic partners
珊瑚会吐出那些共生伙伴。
19
and it's very difficult for them to survive because they've lost their main source of food.
它们很难生存下去,因为已经失去了主要的食物来源。
20
Unfortunately, anywhere you have humans, corals tend to suffer.
不幸的是,只要有人类活动的地方,珊瑚往往就会受到影响。
21
And that's because all the activities that we do on land, things like building, things like discharging sewage, things like agriculture, those all affect the ocean.
这是因为我们在陆地上进行的所有活动,比如建筑施工、排放污水、农业生产,这些都会对海洋产生影响。
22
A country that's doing a very strong job of conservation is Palau.
帕劳是一个在自然保护方面做得非常出色的国家。
23
They saw a massive coral bleaching event in 1998 and realized that they were at risk from the changes occurring globally.
他们在1998年目睹了一场大规模的珊瑚白化事件,意识到自己正面临全球变化带来的风险。
24
So they started putting in place fisheries regulations, a marine park, they eventually put in a shark sanctuary,
于是他们开始实施渔业法规,设立海洋公园,最终还建立了鲨鱼保护区。
25
and now they have 80% of their water protected from any kind of fishing or mining.
如今,他们已有80%的水域受到保护,禁止任何形式的捕捞或采矿活动。
26
What we know now is that the sort of days of hoping and wishing for those coral reefs to survive is over.
我们现在知道,那种寄希望于珊瑚礁能够存活的日子已经结束了。
27
This treasure will help us get through the next era of development, as long as we're just kind enough and wise enough to be sure
只要我们足够善良、足够明智地把握好方向,这份财富将助力我们顺利度过下一个发展时代。
28
that they all come along together with us into the future safely and protected.
让它们都能安全、受到保护地与我们一同走向未来。

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