These processes are too small to be seen directly, even with the best microscopes, 这些过程太小了以至于无法看到，即使是用最好的显微镜， so animations like this provide a really powerful way of visualizing a hypothesis. 因此，像这样的
April 30, 2007 1:18 P.M. EDT PRESIDENT BUSH: Thank you all, please be seated. Welcome to the Rose Garden. I want to welcome Angela Merkel and Jos Barroso here. Thank you all for your friendship, thank
Weekly Address: Standing Strong in the Face of Terrorism (December 12, 2015) 奥巴马每周电视讲话：总统呼吁打击恐怖主义 Hello,everybody.This week,Americans across our country have shown what it means to be strong in the fa
Earlier today, President Obama delivered remarks on the oil spill in the Gulf of Mexico before talking about the economy. He explained that while BP is ultimately responsible for the costs of cleanup
How can we explain this universality? 我们如何解释这一普世性呢？ The best answer lies in trying to reconstruct a Darwinian evolutionary history of our artistic and aesthetic tastes. 最佳答案存在于对我们艺术和审美品味的达尔文主义进化过程的重新构
