Karyogamy the fusion of two nuclei that exist within a common cytoplasm, as occurs in the formation of the zygote from two gametes.

核配：同一个细胞中两个核之间的融合现象称为核配，核配发生在两个配子结合成合子的过程中。

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Fusion is decades away from fruition, and even its proponents don't expect it to contribute to the world's need for alternatives to fossil fuel within the next30 years.

热核聚变与其成果的实施相遥几十年，即便其建议者也并不期望它在今后三十年内能够对取代矿物燃料的世界需要做出什么贡献。

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