MixeddoublesMixed doubles混合双打Teacher of Physical Education: Have you ever seen mixed doub1es,boys?体育老师：孩子们，你们见过男女混合双打吗？Nick: Yes,sir. Quite often.I saw it even last night.尼克：见过，老师，经常见。就在昨天夜里我还见过呢。Teacher; Please tell us something about it.老师：你给大家讲讲当时的情形吧。Nick:Oh,sorry,sir. My father always says,Domestic shams should not be published.尼克：啊，对不起，老师。我爸爸常说，“家丑不可外扬。”