常见例句用作名词 (n.)Chordoma should be included in the differential diagnosis of a dumbbell-shaped mass involving upper cervical vertebrae in patients with long duration of symptoms.若病人在上颈椎呈现哑铃状肿块及患有长期症状时，脊索瘤应列入鉴别诊断中。 返回 chordoma