VOA慢速英语:American History: US Declares War on Japan, Germany and Italy

词汇讲解：

1. bulletin n. 公告, 新闻快报
例句：Here is the latest bulletin about the President's health.
这是总统健康情况的最新报告。

2. principal adj. 最重要的; 主要的
例句：Drinking is a principal cause of highway deaths.
酗酒是公路死亡事故的最主要的原因。

3. destruction n. 摧毁，破坏, 毁灭, 消灭
例句：The enemy bombs caused widespread destruction.
敌人的炸弹造成大面积的破坏。

4. panic v. (使)恐慌
例句：The gunfire panicked the baby.
炮声使婴儿受到了惊吓。

5. premeditated adj. 预谋的,预先策划的
例句：The murder was premeditated.
这起凶杀是有预谋的。

6. treachery n. 背信弃义, 不忠, 背叛; 欺诈
例句：His treachery led to the capture and imprisonment of his friend.
由于他的背叛, 他的朋友被捕入狱。

7. neutral adj. 中立的, 不偏不倚的
例句：They maintained a neutral stance.
他们保持中立的姿态。

8. opponent n. 对手, 敌手
例句：He beat his opponent in the election.
他在选举中击败了对手。

9. front n. 前线, 战线
例句：The main body of troops moved toward the front.
主力部队开往前线。

10. prisoner n. 俘虏, 战俘
例句：The enemy prisoners were kept in prison camps.
敌军俘虏拘禁于战俘集中营。

11. surrender v. 投降
例句：In the end they were forced to surrender.
最后他们被迫投降了。

12. dictator n. 独裁者, 专制者
例句：A dictator must have a firm hand.
独裁者的手段是很厉害的。