次级起源中心secondary center of origin
继发性甲状旁腺机能亢进secondary hyperparathyroidism
【经】 二级市场secondary market
次生射线secondary ray
副电池by-pass accumulator【电】;secondary cell【电】
次感官特征secondary sense quality
二期梅毒secondary syphilis
唇裂术后继发畸形postoperative [secondary] deformity of cleft lip