通过对猪幼胎注射人类的血液干细胞，研究人员已经成功培育出能够产生人类血液的猪
The researchers have already managed to produce pigs that were able to generate human blood by injecting blood stem cells from humans into pig foetuses
因此，许多人都喜欢应用“幼（胎）教工具”，比如为新生儿准备的录像和认字识图卡片，以及孕妇可以绑在肚皮上的“鲸音（whalesounds）”磁带。
Hence the fad for “teaching aids” such as videos and flashcards for newborns, and “whale sounds” on tape which a pregnant mother can strap to her belly.
因此，许多人都喜欢应用“幼（胎）教工具”，比如为新生儿准备的录像和认字识图卡片，以及孕妇可以绑在肚皮上的“鲸音（whalesounds）”磁带。
Hence the fad for “teaching aids” such as videos and flashcards for newborns, and “whale sounds” on tape which a pregnant mother can strap to her belly.
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