A字母开头的单词或词组(第31页)：
- archipelago
- arena
- architect
- arctic
- ardent
- argot
- arid
- aria
- aroma
- aristocracy
- armada
- armistice
- armory
- array
- arrest
- arresting
- arrhythmic
- arson
- arrogance
- arrogant
- arrogate
- arroyo
- arsenal
- articulate
- artery
- artifact
- arthritis
- artifice
- artificial
- artistry
- artless
- ascendancy
- ascetic
- ascribe
- aseptic
- asparagus
- aspect
- aspen
- asphyxiate
- aspirant
- assault
- aspiration
- asperity
- aspersion