太阳很快就突破了云雾的包围。
有了这个突破， 就意味着我们也许很快就能只植入一个发育能力最强的胚胎， 同时保存其它好的胚胎供万一需要时使用。
With this breakthrough, it means we may soon be able to implant just one embryo, one that is showing strong signs of viability, while preserving other good embryo candidates for later if needed.
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