(noun.) someone who is physiologically dependent on a substance; abrupt deprivation of the substance produces withdrawal symptoms.
(noun.) someone who is so ardently devoted to something that it resembles an addiction; 'a golf addict'; 'a car nut'; 'a bodybuilding freak'; 'a news junkie'.
(verb.) to cause (someone or oneself) to become dependent (on something, especially a narcotic drug).
伊妮德编辑
亨廷顿编辑