VOA慢速英语:A Visit to America’s National Cryptologic Museum

短语讲解：

1. The word cryptology comes from the Greek “kryptos logos.”

come from 出生于；由…造成；源自
例句：Did these books come from your store?
这些书来自你的书店吗?

2. The museum has many examples of equipment that was once used to make information secret.

be used to 习惯于，适用于
例句：You should be used to it by now.
从现在开始，你得习惯吃这种食物。

3. Admiral Nimitz said he must have more information to prepare for such an attack.

prepare for (使)为…作准备；(使)对…有思想准备
例句：They hope for the best and prepare for the worst.
他们抱最好的期望，做最坏的打算。

4. Then you may understand why the Japanese military forces were never able to understand any of it.

be able to 能，会；能够；克
例句：We hope you'll be able to attend.
我们希望你能够前来参加。

5. The National Cryptologic Museum belongs to the National Security Agency.

belong to 属于
例句：They don't belong to anybody.
那些信息不属于任何人。

6. However, the museum tells the stories of the men and women who worked for the NSA long after their work is no longer secret.

no longer 不再，已不
例句：The policy instruments no longer work.
政策工具不再见效。