慢速英语:Barack Obama Begins 2nd Term as President

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1. allegiance n.忠诚，拥护
例句：He swore an oath of allegiance to the new president.
他宣誓效忠新总统。

2. estimate n.估计，预测
例句：This is an outside estimate of the price.
这是最高的估价。

3. define vt.规定；使明确
例句：How to define the base of overtime pay?
加班费基数如何确定？

4. praise n.赞扬，称赞
例句：Let us give praise to god.
让我们赞誉神吧。

5. cooperation n.合作； 协作
例句：Don't you understand cooperation?
你不懂合作吗？

6. remind vt.使想起，使记起
例句：Be sure to remind her to come back early.
一定提醒她早点回来。

7. observe vt.遵守
例句：We should observe the rules and regulations.
我们应该遵守规章制度。