英文關鍵字
research
concept
people
success
closeup
gesture
background
copyspace
disinfector
elbow
man
teamwork
danger
safety
flu
greeting
virus
covid19
health
togetherness
scientist
protection
coronavirus
pandemic
assistance
biology
congratulating
coworker
gesturing
business
hygiene
vaccination
cheer
colleague
social
male
distance
latex
lifestyle
meeting
occupation
pride
communication
covid
care
achievement
cooperation
biotechnology
agreement
partnership