英文關鍵字
19
adult
animation
at
bacteria
biology
boy
care
caucasian
child
children
clock
closeness
concept
contagion
contagious
corona
coronavirus
covid
covid-19
covid19
danger
dangerous
daughter
digital
digitally
disease
distancing
down
epidemic
family
fear
female
four
generated
germ
girl
global
hazard
health
hispanic
home
idea
illness
illustration
infection
isolation
learning
lock
lockdown
male
man
medical
medicine
microbe
microbiology
mid
mixed-race
montage
mother
moving
outbreak
pandemic
parents
people
prevention
protection
quarantine
real
safety
scare
schooling
science
self
sickness
social
son
spreading
stay
time
together
two
unhealthy
viral
virology
virus
with
woman
young
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