As animals, and hence animal embryos, complexified over time, these cell-to-cell interactions have become increasingly impressive.
由于动物和动物胚胎随着时间变得更加复杂了,这些细胞和细胞之间的相互作用也越来越让人印象深刻。
2
Almost all said that their cell phone was the way they stayed in touch with peers, one-third had used the cell phone to help a peer in need, and about 80% said the phone made them feel safer.