英文關鍵字
2020
air
bacteria
city
control
coronavirus
day
disease
distance
doctor
epidemic
face
flu
fresh
glasses
gloves
healthcare
infection
kvadraty
large
lifestyle
male
man
mask
measure
measures
medical
movement
noncontact
outdoor
outdoors
pandemic
people
portrait
protection
protective
quarantine
safe
sanitation
spring
suit
summer
temperature
that
thermometer
virus
walk