英国驻莫斯科大使拒绝发表评论。

Britain's ___ambassador in Moscow has refused to comment.

她曾是驻美国大使。

She's a former ___ambassador to the United States.

一架大钢琴在1895年被女王赠送给法国大使。

A grand piano was offered by the Queen to the French ___ambassador in 1895.