SSS 2008-06-23
时间：2018-12-24 作者：英语课 分类：Scientific American(六)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?
On June 4th we told you about iron snowflakes on Mercury. Today we have some radical 1 news about the atmosphere of Venus. Literally 2, a radical is a molecule 3 that reacts easily with other chemicals because of an unpaired electron. Astronomers 4 have found the hydroxyl radical in the Venusian atmosphere. Hydroxyl is oxygen with a single hydrogen H1O, if you like. The Venus Express probe discovered hydroxyl in the clouds that shroud 5 the planet. Researchers from the European Space Agency announced the finding in the journal Astronomy and Astrophysics Letters. Hydroxyl is important on Earth, because it promotes the formation of ground-level ozone 6, a pollutant 7. Finding the radical on Venus will help scientists test their models of Venus’s atmosphere. Hydroxyl also exists in the thin Martian atmosphere where it’s thought to stabilize 8 carbon dioxide and prevent it from becoming carbon monoxide. It may also be responsible for sterilizing 9 the red planet’s top layers of soil.
Thanks for the minute for Scientific American’s 60-Second Science, I’m Steve Mirsky.
- The patient got a radical cure in the hospital.病人在医院得到了根治。
- She is radical in her demands.她的要求十分偏激。
- He translated the passage literally.他逐字逐句地翻译这段文字。
- Sometimes she would not sit down till she was literally faint.有时候，她不走到真正要昏厥了，决不肯坐下来。
- A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.一个水分子是由P妈̬f婘̬ 妈̬成的。
- This gives us the structural formula of the molecule.这种方式给出了分子的结构式。
- Astronomers can accurately foretell the date,time,and length of future eclipses. 天文学家能精确地预告未来日食月食的日期、时刻和时长。 来自《简明英汉词典》
- Astronomers used to ask why only Saturn has rings. 天文学家们过去一直感到奇怪，为什么只有土星有光环。 来自《简明英汉词典》
- His past was enveloped in a shroud of mystery.他的过去被裹上一层神秘色彩。
- How can I do under shroud of a dark sky?在黑暗的天空的笼罩下，我该怎么做呢？
- The ozone layer is a protective layer around the planet Earth.臭氧层是地球的保护层。
- The capacity of ozone can adjust according of requirement.臭氧的产量可根据需要或调节。
- Coal itself is a heavy pollutant.煤本身就是一种严重的污染物。
- Carbon dioxide may not be a typical air pollutant.二氧化碳可能不是一种典型的污染物。
- They are eager to stabilize currencies.他们急于稳定货币。
- His blood pressure tended to stabilize.他的血压趋向稳定。
- The nurse is sterilizing the surgical instruments. 护士在把外科手术器具消毒。 来自辞典例句
- By testing, steam is the ble sterilizing method for herbal medicine. 这些方法难以保证药性，或有残留，要不然就是费用昂贵。 来自互联网