词汇	gravel shovel
释义	gravel shovel 砾石铲
随便看	infection-related infection-related factor Infection-related factors Infection,Reoviridae Infection,Reovirus Infection,Reproductive Tract infection reservoir Infection,Respiratory Infection,Respiratory Tract Infection,Retroviridae Infection,Retrovirus Infection,Rhabditida Infection,Rhabdoviridae Infection,Rickettsia Infection,Rickettsiaceae Infection,RNA Virus Infection,Rochalimaea Infection,Roseolovirus Infection,Rotavirus Infection Route infection routes Infection,Rubivirus Infection,Rubulavirus Infections,Arenavirus Infections,Arterivirus