单词：cosmic-ray magnetic rigidity
单词：cosmic-ray magnetic rigidity 相关文章
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪
每日攻克5词
Astronomers have detected the brightest explosion ever witnessed in the heavens. It was a flash of light from across our galaxy so powerful that it bounced off the Moon and illuminated Earth's upper atmosphere. The researchers say if the blast had oc
VOA双语新闻 Bilingual News
The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit
自然百科2011年
We all, at one time or another, have pretended to be a rock star, singing and dancing along to our favorite song. Most of us have done this in the privacy of our own room when we were kids and as adults, in the privacy of our homes. Me? I love to do
英语美文
Do you agree or disagree with the following statement? The teachers should be paid according to how well the students perform. Teachers should in part be responsible of the students school performance, yet I disagree to the statement that the teacher
托福英语