英文關鍵字
biohazard
biological
cable
care
checking
chemical
close
closeup
connection
corona
coronavirus
covid
danger
disease
disinfection
doctor
ebola
electrical
electronic
epidemic
equipment
flu
glasses
gloves
hand
health
hospital
infection
isolated
laboratory
male
man
mask
medical
medicare
medicine
motion
nurse
pandemic
paramedic
prevention
protection
protective
respirator
safety
science
slow
suit
suite
technology
treatment
uniform
virus
white
wire
wires