腰酸yāo suān

aching waist; achinglumbus

• aqueduct
• aquifer
• aquila
• aquilegia
• aquinas，st thomas
• aquitaine
• arab
• arabesca
• arabesque
• arab horse
• arabian desert
• arabian nights(或 a thousand and one nights)
• arabian peninsula
• arabian sea
• arabian tree:
• arabia(或 arabian peninsula)
• arabic literature
• arabic numerals
• arabic(或arabic language)
• arab-israeli wars
• arable
• arab league
• arabs
• arachne
• arachnid