- across
- across-the-board
- acrostic
- acrr
- acrylic
- acrylic acid
- acrylic fibre
- acrylic plastic
- acrylic resin
- acs
- act
- acta sanctorum
- actable
- actin
- acting
- actinia
- actinic
- actinic ray
- actinide series
- actinism
- actinium
- actino-
- actinograph
- actinoid
- actinology
- actinometer
- actinomorphic
- actinomyces
- actinomycin
- actinomycosis
- actinon
- actinotherapy
- actinouranium
- action
- action committee
- action figure
- action film
- action group
- action level
- action painting
- action radius
- action replay
- action shot
- action stations
- actionable
- activable
- activate
- activator rna
- active antenna
- active capital
臉書專頁