英文關鍵字
analysis
apocalypse
bacterium
beautiful
caucasian
chemistry
china
chinese
confident
corona
coronavirus
costume
covid
covid2019
cute
danger
diagnostic
disease
epidemic
face
fear
flasks
flu
girl
global
health
illness
infect
infection
isalation
isolated
mask
medical
medicine
microbe
millennials
molecule
organism
pandemic
pneumonia
professional
protective
quarantine
respirator
respiratory
sample
science
selfisalation
stop
suit
vaccine
virus
woman