慢速英语:NASA and the Early Apollo Flights of the 1960s

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1. commit vt. 犯(罪),做(错事等)
例句：I committed an error in handling the business.
我在处理这一业务时犯了一个错误。

2. decade n. 十年
例句：The neighboring nations warred upon one another for over a decade. 
这几个邻国互相打了十多年仗。 

3. impressive adj. 深刻印象的
例句: A cathedral is an impressive building. 
大教堂是能给人留下建筑物。

4. accomplish vt. 完成
例句：They didn't accomplish the purpose desired.
他们没有达到预期的目的。

5. consider vt. 考虑,细想
例句：I've begun to consider what to do next.
我已在考虑下一步该怎么办。

6. describe vt. 描写,描绘,叙述
例句：Words cannot describe the beauty of the scene.
语言难以描述那景色之美丽。

7. separate vt. 分隔;分割;使分离
例句：The two communities are separated by a highway.
这两个社区由一条公路隔开。

8. broadcast vt. 广播,播送
例句：The program is broadcast every Monday evening.
这档节目每星期一晚上播出。