VOA慢速英语:Astronaut Scott Kelly Talks about His Year in Space

短语讲解：

1. He said the fact that everything floats up there, makes daily life “more difficult.”

float up [体] 身体上浮
例句：The aluminum will float up when the magnetic buoyant force is large enough.
当磁性浮力足够大时，就能将铝球浮起来。

2. Kelly and Kornienko’s station-record -- 340 days -- is twice as long as a regular mission.

as long as 只要; 如果; 既然; 由于
例句：As long as I breathe, I will fight them.
只要一息尚存，我就要跟他们斗。

3. Some questions will be how to deal with bone loss and radiation.

deal with 应付; 对待; 惠顾; 与…交易
例句：I have no way yet as to deal with such a complicated situation.
这样复杂的局面该怎么应付我还没谱儿呢。

4. Those will be issues for travelers to the planet Mars because the trip will take at least six months.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。

5. After looking down on the planet, he said, “The more I look at it…  the more I feel like an environmentalist.”

look down on 轻视; 俯瞰（某处） 看不起（某人）
例句：Don't look down on the role women can play.
不要小看妇女的作用。