It works a little something like -- this is a recent Google search for four in the morning. 这是结果，请看最近的一个谷歌搜索。搜索：凌晨4点 Results vary, of course. This is pretty typical. 当然搜索的结果不一，这是其中最典型的一个。 The top 10 r
世卫组织总干事《世界残疾报告》发布仪式发言 Address at the Launching Ceremony of the World Report on Disability Dr Margaret Chan Director-General of the World Health Organization New York, United States of America 9 June 2
Hi, everybody. It's been a challenging couple of weeks. The shootings in Minnesota and Baton Rouge; the protests; the targeting and murder of police officers in Dallas – it's left all of us st
At the time, what they thought 在那个时候，启蒙学者们认为 distinguished science was a radical idea about things unseen, known as empiricism. 科学的独特标志是一个关于不可见事物的激进看法，叫做经验主义 All knowledge derives from the senses. 认为所
