V字开头的单词或词组
vortex tubevulnusventurervitamin b1Vibriovernier calipersvitiatevirtual drivevisit sth on sbvocal nodulesvivisectvacuum breakervitexinvision processorviridvoice datavortex breakervacant positionVariacvitamin KVOLvolvulusVMTvolubilityvote invaginitisvulturinevirtual memoryverge on sthV.f.volatile mattervaporisevalid periodVeitnamventriloquistVTAMvarusvelveteenvalve springvalidlyvariolationvitamin B-12