单词：ancient extinct life
单词：ancient extinct life 相关文章
L: do you believe in UFO's? B: sure. A UFO is just a space vehicle from another planet. If you think about it, our space shuttles are UFOs. L: I've never thought about it like that before. B: I've seen photos of UFOs in America before, but they've al
生活英语情景口语
真正的朋友让我们在这个完全疯狂的世界里找到生命的意义：维系过去的纽带、通往明天的道理、以及打开清醒之门的钥匙。 Some people come into our lives and quickly go. Some stay for a while, leave footpri
112 The Ghost in the First Row
This is Scientific American's 60-Second Science. I'm Sophine Bushwick. Got a minute? Crickets make a big contribution to the sounds of a summer night. And theyve been doing so for some 165 million years. Now paleontologists have reconstructed the son
Scientific American(二)月
Knife Cuts on Mastodon Bone Reveal Earlier Humans 乳齿象骨化石上的刀痕!人类文明比你我想象的更久 Scientists diving in a Florida river found bones and tools that could change the history of humans in the Americas. These new items
2016年VOA慢速英语(六)月
Why is that? The flower is the most beautiful thing on my planet! 这是为什么？花是最美丽的东西。 We do not record them, said the geographer, because they are ephemeral. 我们不记载花卉是因为花卉是短暂的。 What does that
小王子
The United States of America's Declaration of Independence would be signed in the last half-inch. 美国的独立宣言签署在最后的半英寸。 Or if we compared geologic time to a woman stretching her arms to a span of six feet, 如果我们将地
TED演讲教育篇