1. The radiologist identified a radiolucency on the X-ray, indicating a potential abnormality in the bone.
放射科医生在X光片上发现了一个放射透明区域，表明骨骼可能存在异常。
2. The dentist noticed a radiolucency in the dental X-ray, suggesting a possible cavity.
牙医在牙齿的X光片上注意到了一个放射透明区域，暗示可能有蛀牙。