VOA慢速英语:NASA’s Astronauts Reach Halfway Point of Year in Space

短语讲解：

1. To mark the occasion, Kelly took time out to talk with two cast members from the upcoming movie, “The Martian.”

talk with 与…交谈，想说服
例句：He had a long talk with me yesterday.
他昨天和我谈了很长时间。

2. The experiments focus on seven areas of investigation.

focus on 致力于; 使聚焦于
例句：We must focus on increasing our home markets.
我们必须把注意力放在拓宽国内市场上。

3. They also will look at the differences in how the two men’s bodies differ after a year of weightless for one while the other remained on the ground.

look at 看; 审视; 评判
例句：Look at your son!
看看你的儿子吧！