慢速英语:Teaching American Students About US Founding Documents

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1.immigrant n.移民，侨民; 从异地移入的动物[植物];
例句：North Africans make up the largest and poorest immigrant group in the country
北非人构成了该国最大的、也是最贫困的移民群。

2.expand vt.扩张; 使…变大; 详述
例句：Engineers noticed that the pipes were not expanding as expected
工程师注意到管道并没有如预期那样膨胀。

3.persuade vt.说服; 劝说; 使相信; 使信服
例句：My husband persuaded me to come
我丈夫说服我前来。

4.discuss vt.商量; 讨论，谈论; 论述
例句：I will be discussing the situation with colleagues tomorrow
明天我会和同事们讨论一下情况。