VOA慢速英语:Humans to Mars Official NASA Goal, But What About Radiation?

短语讲解：

1.The agency is expected to develop new technology to carry out the mission by working with private companies.

be expected to 被期待做某事; 有望做某事; 期许
例句：I shall be expected to shell out the money for the party.
我将要支付这个集会的费用。

2.The agency is expected to develop new technology to carry out the mission by working with private companies.

carry out 进行; 执行; 完成; 抬出去
例句：The Social Democrats could still carry out their threat to leave the government
社会民主党人仍有可能将其退出政府的威胁付诸实施。

3.When sending anyone into deep space, one of the biggest problems is how to deal with damaging radiation.

deal with 应付; 对待; 惠顾; 与…交易
例句：Imperical edicts could deal with very varied matters.
皇帝的诏节涉及各个方面的事物。

4. These are simple cells in the body that are able to develop into different kinds of cells, such as blood cells, cells for making skin or other body parts.

be able to 能够; 能
例句：I admire the way she is able to shrug off unfair criticism.
我很佩服她能对错误的批评意见不予理会。