Now, scientists at Imperial College London are working on a device to counteract motion sickness. Michael Gresty is an expert on the condition. He says riding in a car or a ship can make it difficult for some people to know what is upright and how to best deal with it._________________________如今,伦敦帝国学院的科学家正在致力研究一种能抑制晕车的设备. Michael Grest是该领域的专家. 他表示对于一些人而言,坐车和坐船很难保持直立并寻找应对的最佳方法.______________________
