干细胞 是人体内最重要的细胞。胚胎中的干细胞受到科学家的极度珍爱，因为

干细胞 是人体内最重要的细胞。胚胎中的干细胞受到科学家的极度珍爱，因为它们可以转化为人体的任何部分。在科学家看来，成人干细胞没有胚胎干细胞那样神通广大。然而，从早期的胚胎中提取干细胞非常困难，世界上也很少有研究者成功过。

結果 (英文) 1:

Stem cells are the most important cells in the human body. Embryonic stem cells, the scientists cherish, because they can be transformed into any part of the body. In the view of scientists, adult stem cells are not as powerful as embryonic stem cells. However, the extraction of stem cells from early embryos is very difficult, and few researchers in the world.

結果 (英文) 2:

Stem cells are the body's most important cells. Embryonic stem cells are extremely cherish scientists, because they can be transformed into any part of the body. In the opinion of scientists, adult stem cells are not embryonic stem cells as a magical wand. However, extracting stem cells from early embryos is very difficult, the world's few researchers have succeeded.

結果 (英文) 3:

Stem cells are the most important cells in the body. Embryonic stem cells are extremely prized by scientists because they can be transformed into any part of the body. Scientists think, adult stem cells of embryonic stem cells that had No. However, it is very difficult to extract stem cells from early embryos, and few researchers have succeeded in the world.