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1.The doctor advised him to undergo genetic testing for his defective sperm.
医生建议他接受基因检测,以检查他的缺陷精子。
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2.He was diagnosed with a condition that affects the production of defective sperm.
他被诊断出患有一种影响缺陷精子生产的疾病。
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3.Scientists are trying to understand the causes of defective sperm in order to develop treatments.
科学家们正在尝试理解缺陷精子的原因,以开发治疗方法。