VOA常速英语:New Shelling Reported in Disputed Korean Waters

词汇讲解：

1. exchange vt. 交换, 互换
例句：You two boys exchange places.
你们两个孩子交换一下位置。

2. casualty n. 伤亡者
例句：She read through the casualty list anxiously.
她忧虑地把伤亡人员名单从头到尾看了一遍。

3. initial adj.最初的, 开头的
例句：His initial reaction was one of shock.
他最初的反应是震惊。

4. disputed adj. 有争议的
例句：They warred over disputed territory.
他们因有争议的领土而进行战争。

5. confirm vt. 证实, 证明; 肯定, 确认
例句：We have confirmed the report.
我们证实了那则报道。

6. originate vi. 起源于, 来自, 产生
例句：His book originated from a short story.
他的书是根据一个短篇小说撰写的。

7. contend vt. 声称, 主张
例句：He contended that there must be life on Mars.
他声称火星上面一定有生物。

8. boundary n. 分界线
例句：The boundaries of that country were changed by a treaty.
那个国家的边界根据条约有所更动。

9. indication n. 征兆;迹象;暗示
例句：There are indications that the weather is changing.
有好些迹象显示天气要变了。

10. emerge vi. 出现; 显出; 暴露
例句：The submarine at last emerged.
那艘潜艇终于浮出了水面。

11. barrage n. 猛烈炮火,枪林弹雨
例句：They ran across areas which were blocked off by barrage fire.
他们跑过炮火封锁的地区。

12. halt v. (使)停下来
例句：No one can halt the advance of history.
没人能阻挡历史的前进。