active drug users的用法和样例：
- Another is injection drug users who share needles.
- This is a new technique to comb out drug users.
- The study showed that77.6 percent of the intravenous drug users were sexually active, with only18.7 percent using condoms during sex.
- Drug users are more likely to get into trouble at school.
- Of, relating to, or for drugs or drug users.