正文

VOA慢速英语:NASA Celebrates Past While Facing Unsure Future

2012-02-28来源:VOA

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词汇讲解：
1. anniversary n. 周年纪念，周年纪念日
例句：Today is my parents' 30th wedding anniversary.
今天是我父母结婚30周年纪念日。

2. expectation n.预料; 期望；有信心的指望
例句：The reward fell short of our expectations.
奖励不符我们的希望。

3. launch vt. 发动; 发出; 发射
例句：They have launched a spaceship.
他们发射了一艘宇宙飞船。

4. replace vt.取代, 代替; 更换, 替换
例句：Electric lights have replaced candles.
电灯已经取代了蜡烛。

5. stretch v. 延伸
例句：The road stretches uphill at a steep slope.
这条路以陡峭的坡度向山上延伸。

6. identify vt.认出, 识别
例句：Would you be able to identify the man who robbed you?
你能够认出那个抢你东西的人吗?

7. approach n. 方法，方式；手段；步骤；态度
例句：His approaches to the problem are wrong.
他处理这个问题的方法是错误的。

8. ease vt. 减轻,缓和
例句：The aspirin eased his headache.
阿斯匹灵减轻了他的头痛。

9. uncover vt. 揭露, 发现
例句：His criminal activities were finally uncovered.
他的犯罪活动最终被揭露出来。

10. sign n. 征兆;前兆
例句：World trade is showing signs of revival.
世界贸易正显示出重新活跃的征兆。