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Role, BBC高級體育記者,
回放12月23日，黑龙江大兴安岭地区鱼贩用热水养活鱼的视频引发关注。据了解，因当地严寒的天气，鱼用冷水养通常会被冻住，而热水正好可以帮其解冻，还能让其保持新鲜，所以鱼贩们便都用热水来养鱼。SourcePh" style="display:none"
A widespread bacterial defence system called SNIPE is shown to localize to the cell membrane, where it identifies and cleaves the DNA of infecting phage as it is injected into the bacterial cell.