It was a tense game. A dozen drones (无人机) were rushing toward the finish line, fighting for the top position against other rivals (对手) at a speed of 100 kilometers per hour. With wild clapping (鼓掌) and cheering breaking out, the winning drone pilot Li Kunhuang, 18, from No 3 Senior High School in Shenzhen, took off the video goggles (护目镜) and looked at his drone with a smile.
