被任命为(驻……)大使

be appointed ambassador(to...)

• fluctuate
• fluctuation
• fluency
• fluent
• fluently
• fluid
• fluorescent
• flush
• flutter
• flux
• fly
• foam
• focus
• fog
• foggy
• foil
• fold
• folk
• follow
• follower
• following
• fond
• food
• fool
• foolish