a method of using a strong magnetic field to produce an image of the inside of a person’s body (the abbreviation for ‘magnetic resonance imaging’) 磁共振成像; 磁力共振成像 The researchers used MRI to record the brain activity. 研究人员使用核磁共振成像来记录大脑活动。 When I twisted my ankle and had to have an MRI (= a medical examination using MRI). 当我扭伤脚踝不得不做核磁共振时。 an MRI scan 磁共振成像扫描