英文關鍵字
covid19
risk
avoid
biohazard
seashore
relax
holidays
lockdown
seaside
awareness
ideas
epidemic
quarantine
covid
symbol
sign
coastline
beach
sea
ocean
sand
water
text
travel
message
nature
wave
summer
virus
concept
background
handwriting
sunny
vacation
sandy
tropical
coast
shore
texture
holiday
tourism
word
pandemic
coronavirus