VOA慢速英语:Words and Their Stories:Rocket Scientists Enjoy a Good Reputation

2. explain vt. 讲解, 解释
例句：He explained that he had to leave at once.
他解释说他必须立即离开。

3. intelligent adj. 聪明的; 理解力强的
例句：I have not arrived at a very intelligent opinion on that matter.
我对那件事还没有高见。

4. mystery n. 神秘(性), 秘密(性)，不可思议，奥秘
例句：He often tells stories full of mystery.
他常讲些充满神秘色彩的故事。

5. defeat vt. 击败, 战胜
例句：Our football team defeated theirs this time.
这一次我们的足球队胜了他们的足球队。

6. enemy n. 仇敌, 敌人；敌军
例句：The enemy is[are] advancing towards the castle.
敌军正向城堡进发。

7. postpone vt.延期; 推迟
例句：They postponed leaving because of the weather.
他们因天气原因而延期离开。

8. repair vt.修理; 修补；纠正, 补救
例句：She was repairing a glove when I came in.
我进去时, 她在补手套。

9. launch n. 发射; (船)下水; (新产品)投产
例句：I saw the launch of the rocket yesterday.
我昨天看了火箭发射。

10. warn v. 警告, 提醒; 告诫; 预先通知, 预告
例句：The weather station warned that a storm was coming.
气象台说将有暴风雨来临。