The popular science posts!Nine pictures bring you the magic knowledge of the Winter Olympics

2022-06-19 0 By

Beijing 2022 Winter Olympic Games has opened, have you prepared all the winter Olympic events in advance?Why does curling keep wiping the floor?Short track speed skating with a knife?How fast can a snowmobile go?What are the “lie down competition” and “lie down competition”?Can you tell biathlon from Nordic?Do your homework and cheer for the Chinese Winter Olympic athletes!