IP属地:天津
Listening — Bus Schedule Here is a bus schedule at a bus stop. It has th...
The mathematics of love by Hannah Fry Video 1 Today I want to talk to yo...
The unheard story of David and Goliath 大卫和歌利亚的故事 by Malcolm Gladwell So ...
Video 1 Today I'm going to talk to you about the problem of other minds....
Being a Global Citizen Video I I want to introduce you to an amazing wom...
流利说 Level 7 Unit 2 Part 3 Video II Machine intelligence is here. We're n...
流利说 Level 7 Unit 2 Part 2 Video 1 As a boy in Lima, my grandfather told ...