慢速英语:NASA to Study Astronaut on Yearlong Mission in Space

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1. Researchers will be able to compare medical information from Astronaut Kelly with that from his identical twin brother, former astronaut Mark Kelly.

be able to 能够
例句：I hope one day you'll be able to chew the fat together. 
我希望有一天你们能一块聊聊天。 

2. He says technology has developed a lot since that team of Russians spent a year in space.

a lot 非常多
例句：And I've been thinking about it a lot lately. 
最近我一直就此事想了很多。 

3. “The Russians themselves are very interested in what we are going to learn from this mission, because it is a chance to revisit and further the studies they did earlier.”

be going to 要，会，将要; 就要
例句：It felt pleasant to be going to work. 
走上工作岗位是很愉快的。