郑洁网球：
Ah, Zheng Jie, the retired Chinese tennis player! She was quite a talented athlete and had a successful career, reaching a career-high ranking of world No. 15 in singles and No. 3 in doubles. Do you have any specific questions or thoughts about her or her career?
网球肘试验：
您好！网球肘试验是一种用于检测肘部疼痛的测试方法，通常用于诊断网球肘（lateral epicondylitis）的病情。这种测试方法通常需要一个医疗专业人员来进行，而且需要使用一些特殊的工具和技术来准确诊断病情。如果您有肘部疼痛的症状，建议您尽快咨询医生并进行必要的检查和治疗。