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gratuitously    音标拼音: [grət'uətəsli]
ad. 免费地;无故地

免费地;无故地

gratuitously
adv 1: in an uncalled-for manner; "he insulted us gratuitously"


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  • Tiny human hearts grown in pig embryos for the first time
    Researchers have reported growing hearts containing human cells in pig embryos for the first time The embryos survived for 21 days, and in that time their tiny hearts started beating
  • Tiny human hearts successfully grown in PIG embryos
    Human-pig hybrids with heartbeats For the first time, scientists reported the growth of beating human-like hearts inside pig embryos Led by Lai Liangxue of the Guangzhou Institutes of Biomedicine and Health, the team genetically engineered pig embryos by disabling two genes crucial to heart development
  • For the first time, scientists grow beating human-pig hearts
    The pig embryos survived for 21 days, and the hearts had started beating, the researchers announced at the annual meeting of the International Society for Stem Cell Research annual meeting last week Human stem cells injected into pig embryos Animals such as pigs, mice, and cats have been shown to have similar genomes and anatomy to humans
  • The First Human-Pig Hybrid Embryo Has Been Created in The Lab
    The human-pig embryo was the culmination of these experiments, but there were two other important steps along the way The team's first experiment involved using CRISPR-Cas9, a versatile new tool in gene-editing technology, to turn off the genes that produce a pancreas in mice They then inserted rat stem cells into the mouse that contained the
  • A pig with a ‘human’ heart: A medical milestone in China . . .
    For the first time, researchers in China have developed pig embryos containing human cells that formed early-stage, beating hearts The embryos survived for up to 21 days and were presented this week at the International Society for Stem Cell Research meeting in Hong Kong Step toward human organ
  • Tiny Human Hearts Grown in Pig Embryos for the First Time
    “Researchers have reported growing hearts containing human cells in pig embryos for the first time The embryos survived for 21 days, and in that time their tiny hearts started beating The findings were presented this week at the annual meeting of the International Society for Stem Cell Research in Hong Kong





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