The white water canoeing had taken care of Johnstone (punctured eardrum) and the mountain climbing in Wales had done for Whittaker (groin strain).

激流勇进解决了约翰斯通（耳膜穿孔），威尔士攀岩料理了惠地尔（腹股沟拉上。）

A sea change in robotics: to Whittaker, who directs the Field Robotics Center at Carnegie Mellon , that is what the Grand Challenge competition is really about.

「机器人学方面的一项巨变」，对于主持卡内基美伦大学野地机器人学中心的惠塔克来说，这才是大挑战竞赛真正的意义。