慢速英语:Celebrating America in Song

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1. observe vt. 观察; 研究
例句：All the football match spectators were able to observe orders in the stadium. 
球赛观众都能遵守会场秩序。 

2. attack vt. 攻击，进攻
例句：If you provoke the dog, it will attack you. 
如果你去招惹那只狗,它就会咬你。 

3. suggest vt.建议，提议
例句：But reports suggest huge job losses.
但报告暗示了巨大的就业岗位流失。

4. celebrate vt.庆祝; 歌颂
例句：Families always celebrate thanksgiving together.
家家总是一起庆祝感恩节。

5. perform vt. 执行; 履行
例句：You can perform mail merges with this software.
你也可以用它来执行邮件合并。