断绝外交关系(断交、断绝邦交)

severance of diplomatic relations

• buttery
• buttock
• button
• buttress
• buxom
• buy
• buzz
• buzzard
• by
• by
• bye
• bye-bye
• bye-law
• by-election
• bygone
• by-law
• by-pass
• bypath
• byplay
• by-product
• by-road
• bystander
• by-way
• byword
• bête noire