2月21日英语资讯：Pollution creating acid oceans 英语, Pollution, acid, creating, oceans

peopoo

can you feel the change of enviroment?write down the change around you to gain the score.

Researchers from the University of Bristol looked at how levels of acid in the ocean have changed over history.

来自英国布里斯托尔大学的研究者研究了海洋的酸度从古至今是如何变化的。

They found that as ocean acidification accelerated it caused mass extinctions at the bottom of the food chain that could threaten whole ecosystems in the future.

他们发现，海洋酸化的加速会导致食物链底层的大规模灭绝，它将来有可能威胁整个生态系统。

The rapid acidification today is being caused by the massive amount of carbon dioxide being pumped out by cars and factories every year, which is absorbed by the water. Since the industrial revolution acidity in the seas have increased by 30 per cent.

每年汽车和工厂排放的大量二氧化碳造成了今天的迅速酸化，它们是由水吸收而成。自从工业革命以来，海洋酸度已经增加了30%。

The last time such a fast change occurred is thought to be 65 million years ago, when some natural event caused ocean acidification and the dinosaurs died out.

上次如此快速的变化被认为是在6500万年前发生的，那时候一些自然灾难导致了海洋酸化，并且恐龙灭绝。

jjaannlliinn

有些還看不懂 「要加油」了！

tingroom

有些還看不懂 「要加油」了！
jjaannlliinn 发表于 2010-2-22 07:58 PM

you will make great progress if you make up   your shortage