While researchers will ultimately need human hair cells, the mouse version is a good model for the initial phases of experimentation, he said.
他还说，小鼠细胞在研究初期是相当好的实验对象，但研究者们终将需要人类毛细胞来研究。
2
But without that sort of radical experimentation, we may never fully understand the great remaining mystery of human development: how a tiny clump of cells transforms into a fully formed human being.
不过没有这类追本溯源的试验，我们永远不可能揭开人体发育的未解之谜：一小团细胞怎么变成完整的人体。
3
Opposes human cloning and any related experimentation.