youdao

We don't know the answer, because studies done on how reliable this machine is have not yet been duplicated.

我们不知道答案，因为关于这台机器可靠性的研究还没有被重复。

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Kevin Otto, a bioengineer who studies brain-machine interfaces at Purdue Universty, said he was initially skeptical of the research.

Kevin Ot to是在普渡大学研究大脑-机器界面的生物工程师，他说他最初对这种研究表示怀疑。

youdao

Also on board is a new exercise machine, which is part of ongoing studies into the effects of long-term space flight on muscle and bone loss in astronauts.

VOA: standard.2010.04.05