US scientists have successfully cultivated human heart tissue on spinach leaves, and managed to make it beat for up to three weeks. 美国科学家成功在菠菜叶上培育出人体心脏组织,并成功使其跳动长达三周。 Bioengineers Gl

发表于:2019-02-07 / 阅读(38) / 评论(0) 分类 英语新闻