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

January 13, 2008 THE PRESIDENT: Doctor Aida, thank you very much for the kind introduction. Ministers, members of the diplomatic corps, and distinguished guests: I am honored by the opportunity to sta

There was a time when British Olympic medal winners became household names because there were so few of them. But the 67 medals at this year's Games in Rio and 147 at the Paralympics meant that the GB

英语演讲稿-01 　　The word wealth always reminds people of money and the sayings or concepts related to money. For example, “money talks”; “money makes the ghosts turn the mill”; “as birds die for food, so m

In every work that I create, I write messages with my style of Arabic calligraphy. 在我创作的每一样作品中，我都用阿拉伯的书法风格写要旨 I make sure those messages are relevant to the place where I am painting 我确保这些信息与作画的地区有关联