单词：vertical speed (vsp)
单词：vertical speed (vsp) 相关文章
By measuring how fast these stars were moving, he could prove if there really was a black hole at the center of an active galaxy. I picked a galaxy nearby which is called NGC 1068, an active galaxy, w
超大质量黑洞
Vertical Gardens 垂直花园 by Marcus Maurice More than 30 years ago, a French scientist named Patrick Blanc went to Thailand to study plants. This adventurous young man traveled to the heart of a tropical rainforest and set up a platform at the to
常春藤解析英语
New Camera Takes Billions of Pictures Every Second 能每秒拍摄数十亿张照片的相机_ Imagine a camera that can take one hundred billion pictures a second -- that is enough to record the fastest movements in the universe. But we do not have
2015年VOA慢速英语(一)月
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Oh, Brad gets off the ground with a big 5-inch vertical 哦！布拉德跳起了整整12.7厘米 That means LeBron's ups are 8-times better than Brad 也就是说，勒布朗的弹跳高度是布拉德的8倍 Add in King James's 6'8 frame and ridicul
篮球英文堂
Wall Street analysts searching for reasons for the U.S. stock market's sharp swings in early August point to high unemployment, the European debt crisis and other basic economic problems. But some also suspect what is known as high-frequency trading,
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