(单词翻译:单击)
听力文本
At first, Mars was being seen as viable option to go visit and live in but now Scottish astrobiologists have discovered that the planet is covered with bacteria killing minerals.
起初，火星被视作可以访问并居住的星球，但现在苏格兰天体生物学家已经发现，火星上覆盖着致细菌死亡的矿物。
Jennifer Wadsworth and Charles Cockell published in a study that there are salt minerals that kill bacteria within minutes.
华兹沃斯和克基尔发表了一项研究，称火星上存在盐矿物，可以在几分钟内杀死细菌。
Usually these minerals are only active at high heat, and since the planet is cold, scientists at first thought they were not a problem,
通常这些矿物只在高温下活跃，因为火星是寒冷的，起初科学家认为是没有问题的，
But these new scientists have learned that they can also be activated with ultraviolet light, which Mars has plenty of.
但这些科学家已经认识到，它们也可以被紫外线激活，而火星上存在大量紫外线。
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词汇解析
1、discover
发现(以前不知道的事实)
She discovered that they'd escaped.
她发现他们已经逃跑了。
I discovered I was pregnant.
我发现自己怀孕了。
(第一个)发现
the first European to discover America.
第一个发现美洲大陆的欧洲人
In the 19th century, gold was discovered in California.
19 世纪时，在加利福尼亚发现了金子。
初次接触(某活动并乐在其中)
I wish I'd discovered photography when I was younger.
我要是早点接触到摄影技术就好了。
Discover the delights and luxury of a private yacht.
体验私人游艇的乐趣和奢华。
2、publish
出版；发行
They publish reference books.
他们出版工具书。
His latest book of poetry will be published by Faber in May.
他的最新诗集将由菲贝尔出版公司于5月出版。
刊登；登载
The ban was imposed after the magazine published an article satirising the government.
这家杂志刊登了一篇讽刺政府的文章后被停刊。
I don't encourage people to take photographs like this without permission, but by law we can publish.
我不鼓励人们未经允许就拍摄这样的照片，但根据法律我们可以刊登。
