英国驻莫斯科大使拒绝发表评论。

Britain's ___ambassador in Moscow has refused to comment.

她曾是美国前大使。

She's a former ___ambassador to the United States.

女王在1895年向法国大使赠送了一架大钢琴。

The Queen offered a grand piano to the French ___ambassador in 1895.