fertile sperm
肥沃的精子
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"It is true that future fertility techniques may well be able to help a sterile or near-sterile child reproduce but that may be an outcome that parents do not want to risk and they may instead turn to a known-to-be-fertile sperm donor, " he said.
MSN: Pass it on: Sons of infertile men may be next
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