一、英语听力：Is it a good idea to have a tattoo? 每日知识点： According to the Guinn...

一、英语听力：Why's it called 'mother tongue'? 每日知识点：Light Walpiri（轻瓦尔皮瑞语）is th...

一、英语听力：Why do people like sad music? 每日知识点：MTV, the first dedicated musi...

一、英语听力 第一篇：Can robots care for us? 每日知识点：The first commercial robot was ...

一、英语听力: Why take a gap year? 每日知识点：According to the institute of Fiscal ...