单词	first signal discriminator
释义	first signal discriminator 抢答器
随便看	acquired data acquired deafness acquired defect acquired deficiency acquired deficiency of coagulation factor acquired deflected nasal septum acquired deformity Acquired deformity of ankle and foot Acquired deformity of arm Acquired deformity of auricle acquired deformity of chest Acquired deformity of clavicle acquired deformity of elbow acquired deformity of finger Acquired deformity of forearm acquired deformity of hand Acquired deformity of hip acquired deformity of hip joint Acquired deformity of knee Acquired deformity of leg Acquired deformity of limb acquired deformity of neck Acquired deformity of nose acquired deformity of pelvis acquired deformity of pinna