Warning: Missing argument 3 for write(), called in /www/wwwroot/shijiebei05.com/incs/robot.php on line 68 and defined in /www/wwwroot/shijiebei05.com/incs/data.php on line 487 11岁的姑娘Gitanjali Rao发明了能探测水中铅含量的仪器,在2017年探索教育3M青年科学家挑战赛中获胜,成为“美国顶尖青年科学家”。#厉害了我的妞