CNN news 2011-11-30 加文本

词汇讲解：

1. crowd n. 人群；听众, 观众；一群, 一批; 一堆
例句：There were large crowds of people in the street on New Year's Eve.
除夕那天街上有大批人群。

2. customer n. 顾客
例句：These goods enjoy growing favour among the customers.
这些货物越来越受顾客的欢迎。

3. track vt.跟踪, 追踪
例句：The police used dogs to track the criminal.
警察用警犬来追踪罪犯。

4. estimate v. 估计; 评价, 评估
例句：We estimate the cost to be five thousand dollars.
我们估计费用为5000美元。

5. guarantee n. 保证;商品保证;保证书
例句：You have my guarantee that I'll finish the job on time.
我向你保证按时完成工作。

6. tentative adj.试探性的; 试验的; 尝试性的
例句：We've made a tentative plan for the vacation but haven't really decided yet.
我们拟定了一个度假计划, 但是没有真正定下来。

7. dispute n. 争论;争执;争端
例句：The dispute was settled last week.
争端在上周解决了。

8. approve vt. 赞成, 同意
例句：The firm's directors quickly approved the new idea.
公司的董事们很快赞同了这个想法。

9. cancel vt.取消, 废除
例句：We were all disappointed to learn that the picnic had been cancelled.
我们得知这次野餐已经取消, 都感到很失望。

10. last vi.延续; 继续；耐用; 经久
例句：How long will the fine weather last?
好天气能延续多久?