英文關鍵字
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animation
biology
care
concept
contagion
contagious
corona
coronavirus
covid
covid-19
covid19
danger
dangerous
digital
digitally
disease
epidemic
fear
formulae
generated
germ
hazard
health
human
idea
illness
infection
lobal
medical
medicine
microbe
microbiology
montage
moving
no
organism
outbreak
pandemic
people
prevention
protection
safety
scare
science
sickness
spreading
unhealthy
viral
virology
virus
warning