靚模 =
hot pretty model(s)
校本驗毒計劃 =
the school drug-testing trial scheme<---That's how they call it.
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http://www.news.gov.hk/en/category/lawandorder/html/index.htm
Sufficient resources set for drug trial
Appropriate resources will be allocated for the school drug-testing trial scheme, Chief Secretary Henry Tang says, adding the Government plans to launch the scheme at the end of the year.
援交少女 =
1) (female) teen prostitute(s)
-Teen girls who indulge themselves in prostitution.<==============