艾滋病英语作文:ABC OF AIDS1200字
AIDSistheabbreviation1)ofACQUIREDIMMUNEDEFICIENCYSYNDROME.Itisacomplicatedillnessthatmayinvolveseveralphases.itiscausedbyavirusthatcanbepassedfrompersontoperson.AIDSimpairsthehumanbody'simmunesystem,t...
AIDSistheabbreviation1)ofACQUIREDIMMUNEDEFICIENCYSYNDROME.Itisacomplicatedillnessthatmayinvolveseveralphases.itiscausedbyavirusthatcanbepassedfrompersontoperson.AIDSimpairsthehumanbody'simmunesystem,t...