艰梗用英语怎么说_艰梗英文怎么写

Difficult stem

艰梗───Difficult stem

But it was a very personal experience that brought Melton to stem cells, one that 17 years later he still finds difficult to discuss.───但是一个非常私人的经历使得Melton进入干细胞领域，即使在17年以后他依然发现很难去讨论这件事。

If such a governing body is not in place, it can be difficult for an enterprise to stem the proliferation of silo services and realize the benefits of SOA.───如果没有此类治理机构，企业就很难阻止竖井服务的增多，也很难实现SOA的好处。

But developing blood made from the cells of spare IVF embryos will raise difficult ethical issues for people not happy with the idea of destroying embryos to create stem cells.───然而，并非所有人都赞同从多余的体外受精胚胎中提取干细胞制造血液。这将势必引起一场巨大的道德争议。