英语翻译US-based education scholar 是说研究美国教育的学者还是曾留美的学者啊 cutting-edge education and trainning 请大家帮我看看 感激不尽啊

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US-based education scholar
是说研究美国教育的学者
cutting-edge education and trainning
前沿（先进）的教育和培训

for my money, a US-based education scholar conducts his basic reaseach in the US. Another example: A US-based corporation, meaning the company has a base of operations in the US.