郎平不仅是一位优秀排球运动员，但也是一为成功的教练员。

Lang Ping is not only an excellent volleyball player, but also a successful coach.

youdao

本研究运用文献资料、数理统计、数学计算等方法，对优秀排球运动员防守诸问题进行了理论研究。

Based on the documentation, mathematical statistics and mathematical computing methods, the author do some theoretical research on the defense of the elite volleyball sportsmen.

youdao

作为中国曾经最优秀的排球运动员，郎平在退役后成为了一名排球教练，现在是中国女子排球队的主教练。

As a former Chinese top volleyball player, Lang Ping became a volleyball coach after her retirement and is now the head coach of the Chinese women's national volleyball team.

youdao