美联社新闻一分钟 AP 2014-12-13_在线英语听力室

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1. Four, three, two, one… this cannon¹ was discovered in Detroit River, back in July of 2011, and was pulled from the water in October of the same year. And since then, it has been undergone restoration. And this cannon was underwater for 200 years. And yet it had started to corrode². It was covered with creations and zebra mussels and all of that.

2. We are just doing a routine training dive and happened through an area that we have basically covered hundreds of times before. And just so happened that day the conditions were just perfect. The visibility was perfect and I saw it lying out there in the sand.

3. All is exciting for the team to have it here displayed. We brought a little bit history back to the city of Detroit. We will have an opportunity to bring kids here, our grandkids here, and it will always be displayed here for people to see.

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1 cannon
n.大炮，火炮；飞机上的机关炮
参考例句：
The soldiers fired the cannon.士兵们开炮。 The cannon thundered in the hills.大炮在山间轰鸣。

2 corrode
v.使腐蚀，侵蚀，破害；v.腐蚀，被侵蚀
参考例句：
The tools will corrode with rust if never used.这些工具如长期不用会长铁锈而损坏。 It will pollute people's aesthetic taste and corrode social spirit.它污染人们的审美趣味，腐蚀社会精神。

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美联社新闻一分钟 AP 2014-12-13