rationale：根据，理论说明，理论基础

来自rational,合理的，经过思考的，-ale,名词后缀。

• atonal
• atone
• atopic
• atrium
• atrocious
• atrocity
• atrophy
• attaboy
• attach
• attachment
• attack
• attagirl
• attain
• attainable
• attainment
• attar
• attempt
• attend
• attendance
• attendant
• attention
• attentive
• attenuate
• attest
• attic