白喉鸟a bird with a whitish throat建议家长让孩子接种抗白喉疫苗.Parents are advised to have their children immunized against diphtheria.医生诊断我的病为白喉.The doctor diagnosed my illness as diphtheria....
新的壁炉的固定物被固定在墙上.A new fireplace fixture was fixed in the wall.捷格舞和固定物支撑, 支援, 而且位于细工品.Both jigs and fixtures hold, support, and the workpiece.椎体间之脊椎矫正固定物是钛金属材质的植入物.Identification . A spinal intervertebral body fixation ort...