vocal resonance语响,语颤 variotin宛氏菌素 ventilation rate换气率,通气率 ventricular rate心室率 ventral root前根,腹侧根 varictin变曲霉素 valve replacement瓣膜置换 ventral root(of a spinal nerve)前根(脊髓神经) visual reproduction视力复现 vestibular recruitment前庭重振,前庭复原 vision,right右眼视力 right arm electrode右臂电极 venous return静脉回流 venous rate静脉率