艾滋病英語(yǔ)作文：ABC OF AIDS_1200字
關(guān)于艾滋病的作文

        AIDS is the abbreviation1) of ACQUIRED IMMUNE DEFICIENCY SYNDROME．It is a complicated illness that may involve several phases．it is caused by a virus that can be passed from person to person．AIDS impairs the human body‘s immune system，the system responsible for keeping off disease，and leaves the victim easily affected by various infection． 　　The virus enters the bloodstre    （共 1517 字）     [閱讀本文] >>