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Scientists in Berlin announced recently the first successful embryo transfer in a white rhinoceros.

柏林的科学家最近宣布首次在白犀牛身上成功进行胚胎移植。

The transfer, which occurred in a southern white rhinoceros, offers hope for saving the northern white rhino from completely dying off.

这次发生在南方白犀牛身上的转移，为拯救北方白犀牛免于完全灭绝带来了希望。

The white rhinoceros includes two different subspecies, the northern and the southern. The last male northern white rhino died in 2018. Only two female members of the subspecies remain. Neither of them can carry a baby.

白犀牛包括两个不同的亚种：北方和南方。 最后一头雄性北方白犀牛于 2018 年死亡。该亚种只剩下两只雌性成员。 他们俩都不能带孩子。

Southern white rhinos are more numerous.

南方白犀牛数量较多。

Researchers hope to use eggs and sperm from northern white rhinos to produce embryos that will be put into southern white rhino surrogate mothers.

研究人员希望利用北方白犀牛的卵子和精子产生胚胎，并将其放入南方白犀牛代孕母亲体内。

A surrogate is something that performs the duties of something else.

代理人是履行其他职责的事物。

To test the plan, scientists said they transferred the embryo of a southern white rhino into a surrogate southern white rhino mother at the Ol Pejeta Conservancy in Kenya on September 24, 2023.

为了测试该计划，科学家表示，他们于 2023 年 9 月 24 日将南方白犀牛的胚胎转移到肯尼亚奥尔佩杰塔保护区的南方白犀牛代孕母亲体内。

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