Their experiment tried to mimic human pregnancies implanting human fetal tissue into mice.

他们的实验试图模仿人类怀孕过程，将人类胎儿组织植入小白鼠。

It can require a bone marrow transplant or harvesting cells from fetal tissue, both of which come with their own challenges.

它可能需要骨髓移植或从胎儿组织中提取细胞，这两种方法都有各自的挑战。

While the development of some coronavirus vaccines is tied to research in cell lines derived from aborted fetuses many years ago, the Pfizer and Moderna vaccines do not use or include any fetal tissue.

虽然一些冠状病毒疫苗的开发与许多年前从流产胎儿中提取的细胞系的研究有关，但辉瑞和Moderna疫苗不使用或不包括任何胎儿组织。

In FAS, ethanol interferes with cell division and proliferation, cell growth and differentiation and with the migration of mature cells to their final location in the developing embryo which affects the development of various fetal tissues, including the brain.

在FAS中，乙醇会干扰细胞分裂、增殖，影响细胞生长和分化，并且在胚胎发育的过程中，妨碍成熟细胞迁移到它们最终的部位，这会影响胎儿各种组织的发育，其中包括大脑。