1·He said: "It would be like putting a megaphone in the system" bringing stem cells to the injury.
他说:“这就好像是在系统中安放一个“传声筒”,将干细胞召到伤口处。”
2·Megaphone is the simplest function of social news in early period, gradually shifts to loudspeaker and news processor.
社会新闻由最初简单的传声筒的功能,逐步向扩音器、新闻处理器的功能转换。