慢速英语:James K. Polk: Dark Horse

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短语讲解：

1.Convention delegates tried again and again to agree on a candidate.

agree on 对某事[物]有同样看法， 商定[同意]某事
例句：They agree on these terms.
他们一致同意这些条款。

2.So Polk returned to his plantations and waited for a chance to re-enter national politics.

wait for 等待
例句：Just wait for me in the lounge.
请在休息室里等我就行了。

3.He thought the United States could take possession of the area peacefully. The other leading candidates did not.

take possession of 占领， 夺取
例句：We should go up and take possession of the land
我们应该北上占领那片土地。

4. Then, those politicians could try again to win the presidency in four years, instead of waiting eight.

instead of （用…） 代替…， （是…）而不是…， （用…）而不用…
例句：A spirit lamp burns spirits instead of oil.
酒精灯里点的不是油而是酒精。