機器
aids
antique
awareness
background
black
cause
closeup
communication
condom
disease
education
health
help
hiv
ill
illness
issue
journalist
keys
letter
mechanical
medical
medicine
memo
message
negative
newspaper
nostalgia
note
old
paper
record
retro
sample
sex
sexually
sick
sickness
symbol
technology
test
text
transmitted
type
typewriter
vintage
virus
write
writer