关于AIDS1200的作文知识

艾滋病英语作文:ABC OF AIDS1200字

AIDSistheabbreviation1)ofACQUIREDIMMUNEDEFICIENCYSYNDROME.Itisacomplicatedillnessthatmayinvolveseveralphases.itiscausedbyavirusthatcanbepassedfrompersontoperson.AIDSimpairsthehumanbody'simmunesystem,t...