注射器
Keywords
syringe,
flu,
up,
corona,
biotechnology,
vaccine,
doctor,
remedy,
medical care,
chemistry,
science,
technology,
health,
inspection,
study,
treatment,
experiment,
exam,
needle,
biochemistry,
inoculation,
painful,
hospital,
marode,
frightening,
welfare,
immunity,
medicine,
prevention