SSS 2008-05-16
时间：2019-01-08 作者：英语课 分类：Scientific American(五)月
This is Scientific American 60-Second Science, I’m Cynthia Graber. This will just take a minute.
Here’s one space mission that is definitely going to be unmanned—NASA is going to the sun. The Johns Hopkins University Applied 1 Physics Laboratory is building a craft that will visit the sun’s corona 2. It’ll speed past the sun at 125 miles per second, be pelted 3 with energized 4 dust, and exposed to radiation and temperatures up to 2,600 degrees Fahrenheit 5.Scientists have been trying to figure out how to send such a probe for decades, but the technology didn’t exist at a feasible cost until now. The probe will circle the sun for seven years until it reaches its closest approach, about 4.1 million miles from the sun. That’s eight times closer than previous missions. It’ll provide data on a variety of phenomena 6, such as magnetic fields, solar winds, dusty plasma 7 and energetic particles. Such subjects are more than just interesting—researchers say that understanding energetic particles that zip our way from the sun can affect cell phones and power grids 8 here on the ground, and could threaten the health of astronauts in orbit. The probe is scheduled to launch in 2015.
Thanks for the minute for Scientific American 60-Second Science, I’m Cynthia Graber.
- She plans to take a course in applied linguistics.她打算学习应用语言学课程。
- This cream is best applied to the face at night.这种乳霜最好晚上擦脸用。
- The corona gains and loses energy continuously.日冕总是不断地获得能量和损失能量。
- The corona is a brilliant,pearly white,filmy light,about as bright as the full moon.光环带是一种灿烂的珠白色朦胧光，几乎像满月一样明亮。
- The children pelted him with snowballs. 孩子们向他投掷雪球。
- The rain pelted down. 天下着大雨。
- We are energized by love if we put our energy into loving. 如果我们付出能量去表现爱意，爱就会使我们充满活力。 来自辞典例句
- I am completely energized and feeling terrific. 我充满了活力，感觉非常好。 来自辞典例句
- He was asked for the boiling point of water in Fahrenheit.他被问到水的沸点是华氏多少度。
- The thermometer reads 80 degrees Fahrenheit.寒暑表指出华氏80度。
- Ade couldn't relate the phenomena with any theory he knew.艾德无法用他所知道的任何理论来解释这种现象。
- The object of these experiments was to find the connection,if any,between the two phenomena.这些实验的目的就是探索这两种现象之间的联系，如果存在着任何联系的话。
- Keep some blood plasma back for the serious cases.留一些血浆给重病号。
- The plasma is the liquid portion of blood that is free of cells .血浆是血液的液体部分，不包含各种细胞。