custom wristbands amazon
During this year's National Science Week, follow China Daily website to learn about the science in our daily lives at the China Science and Technology Museum. Watch the video carefully to answer the three questions we listed!
Here is your chance to win!
Write your answers in the comment area. We'll pick five readers who answer correctly. Will you get lucky? We look forward to your participation!
Reporter: Cao Zinan
Video/Edited by: Sun Xiaoyu