VOA慢速英语:How Does Long-Term Space Travel Affect Humans?

短语讲解：

1. They agreed to let scientists study them before, during, and after Scott’s mission to find out what a year floating in space may do to the human body.

agree to 同意， 赞成， 同意照办
例句：I cannot but agree to your decision.
我不得不同意你的决定。
find out 发现; 使发作
例句：I'll find out the address,and ring you back.
我找到地址后再与你通电话。

2. In the Twins study, researchers are looking at 10 aspects of the human body.

look at 看; 审视; 评判
例句： We must take a hard look at our finances.
我们应该密切注意财务问题。

3. So that, give us a year or so to continue the analysis, and let the investigators talk amongst themselves and talk with our colleagues and make sure they have the right results...

make sure 把事情弄清楚，核实或查明某事物
例句：Make sure this meat cooks for at least an hour.
烧这肉一定不能少于一小时。