There is a risk of transmission of the virus between hypodermic users.接受皮下注射者有相互传染病毒的可能。She carried hypodermic needles and syringes in her bag.她包里带着皮下注射针和针筒。The nurse came in with a hypodermic needle, and Rob went white as a sheet.护士拿着一支皮下注射针进来，罗布吓得脸色发白。