Students Compete In First-Ever International High School Robotics Competition
The first ever international high school robotics competition is happening in Washington, D.C., this week. Over 150 countries from six continents sent teams to compete.
Đọc thêm tại NPR
at July 18, 2017 at 03:28AM
Health & Science
Thứ Ba, 18 tháng 7, 2017
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