yī shēng / zài / hé cí gòng zhèn / tú xiàng / shàng / zǐ xì / biàn rèn / wài cè gōu / de / wèi zhì医生在核磁共振图像上仔细辨认外侧沟的位置。The doctor carefully identified the location of the lateral sulcus on the MRI image.