Vaccines(疫苗)maysoonmaketheirfirstfilmappearance.Ledbyex...
问题详情：Vaccines(疫苗)maysoonmaketheirfirstfilmappearance.LedbyexpertMariaA．Croyle,researchershavedevelopedathinsheetthatpreservesvaccinesforlongperiodswithoutrefrigeration.Thismeansthecarefullycooleds...