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单词 spermed
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BBC 听力 2015年12月合集

The seven dogs were born in July after the spermed eggs of beagle, Labrador and cocker spaniel dogs were fertilized in vitro and transferd to a host mother.

科学家将猎兔犬,拉布拉多猎犬和可卡犬的受精卵放入试管中,随后移植入代孕母狗子宫内。7月份,7只小狗降生。

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