Now, I have this device on. I didn't want to take my shirt off to show you, but I can tell you it's on. 现在我的身上有一个类似的设备。我不想把衬衫脱掉给各位看，但是可以告诉大家我的确戴着它。 This is a device that not only measures cardiac rhyt
Christopher Emdin:Teach teachers how to create magic 老师如何创造魔力. Right now there is an aspiring teacher who is working on a 60-page paper based on some age-old education theory developed by some dead ed
When I was a naughty boy, may be because of the influence of the film."Xiao Bing Zhang Ga",my dream was to be a soldier just like Zhang Ga. I thought if I was a soldier, I should be able to
