(单词翻译:单击)
听力文本
Under certain circumstances, liquid water has been found on Mars. This was the out of this world announcement from NASA following years of exploration on the Red Planet.
美国航空航天局经过数年的探索向世界公布，在某些情况下火星上发现了液态水。
Scientists revealed briny water may flow on the planet’s surface during its summer months.
科学家发现在夏季火星表面可能有咸水流过。
Different soils sampled were found to be moist and full of water.
采集的土壤是潮湿的并富含水。
Dark streaks, known as recurring slope lineae, or RSL, are now known to have been caused by flowing water.
深色的条纹被称作季节性斜坡条带，现在发现是由流动的水造成的。
“These discoveries are very important, but they were only part of the hydrological cycle on Mars, that we are just now beginning to understand. What we are going to announce today is that Mars is not that dry, arid planet we thought of in the past.”
“这些发现很重要，但它们只是火星水文循环的一部分，我们现在才开始明白。我们今天要宣布的是，火星并不干燥，不像我们以前想象的那么干燥。”
So what does this tell us about potential life on Mars? Exploration by the Curiosity Rover proves that billions of years ago it was once a planet similar to Earth.
那么，这能告诉我们火星上存在生命吗？好奇号漫游者探索证明，数十亿年前，它曾经是一颗类似地球的行星。
But could the planet support life today? Scientists say, technologically, we will now be able to answer those questions.
但是，今天火星上是否支持生命存在？科学家们表示，从技术上我们将能回答这些问题。
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词汇解析
1、exploration
在…探险;探测;勘察;考察
I just wanted to explore Paris, read Sartre, listen to Sidney Bechet.
我就想逛逛巴黎，读读萨特的作品，听听悉尼·贝谢的音乐。
After exploring the old part of town there is a guided tour of the cathedral.
游览完老城区之后，会由导游带队参观大教堂。
探讨，研究（观点或建议）
The secretary is expected to explore ideas for post-war reconstruction of the area.
部长预计将会探讨这个地区战后重建的意见。
The film explores the relationship between artist and instrument.
这部电影探究了艺术家和乐器之间的关系。
2、announce
宣布;宣告;公布
He will announce tonight that he is resigning from office.
他将于今晚宣布辞职。
She was planning to announce her engagement to Peter.
她正计划宣布她和彼得订婚一事。
大声宣告，郑重地说（尤指令人不快之事）
Peter announced that he had no intention of wasting his time at any university.
彼得宣称他无意在任何一所大学浪费时间。
'I'm having a bath and going to bed,' she announced, and left the room.
“我要洗个澡然后上床睡觉，”她大声说完便离开了房间。
（机场或火车站工作人员通过扬声器）播报，通知
Station staff announced the arrival of the train over the tannoy.
车站工作人员通过广播告知火车到站了。
They announced his plane was delayed.
广播通知他所乘的航班晚点了。
3、potential
潜在的；可能的
The firm has identified 60 potential customers at home and abroad.
该公司已在国内外找到60个潜在客户。
potential party members.
有可能发展成党员的人
潜力；潜质
The boy has great potential.
这个男孩非常有潜质。
The school strives to treat pupils as individuals and to help each one to achieve their full potential.
学校力求对每一个学生因材施教，帮助他们充分发挥其潜力。
可能性；潜在性
John seemed as horrified as I about his potential for violence.
约翰似乎和我一样害怕他自己会使用暴力。
The meeting has the potential to be a watershed event.
这次会议有可能成为具有转折性的事件。
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