adult, arm, backpack, blackboard, bump, cartoon, character, child, class, concept, coronavirus, covid, covid-19, disease, distance, distancing, education, epidemic, face mask, girl, greeting, illustra
Palabras clave
adult,
arm,
backpack,
blackboard,
bump,
cartoon,
character,
children,
class,
concept,
disease,
distance,
education,
epidemic,
face mask,
girl,
greeting,
illustration,
indoor,
children,
learning,
lifestyle,
male,
man,
mask,
new,
normal,
outbreak,
pandemic,
people,
prevention,
protection,
pupil,
quarantine,
risk,
safety,
school,
schoolgirl,
social,
standing,
student,
studying,
teacher,
vector,
virus,
wearing
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