警察提高警惕确保超级碗安全

词汇讲解：
1. tempting adj.吸引人的,诱人的
例句：I made him what I thought were several tempting offers, but he wouldn’t bite.
我向他提出一些自以为动听的建议,但他不肯上钩。

2. bill vt. 宣布, 贴广告, 列节目单
例句：It's been billed as the race of the year.
海报上宣传这是本年度的大赛。

3. scan vt. 扫描
例句：This apparatus scans patients' brains for tumours.
这台仪器扫描检查病人的脑瘤。

4. average v. 平均为, 平均达
例句：The rainfall averages 1000mm a year.
年平均降雨量为1000毫米。

5. surround vt.包围
例句：A crowd surrounded him.
一群人围着他。

6. equivalent adj. 相等的, 相当的
例句：There is no exactly equivalent French tense to the present perfect tense in English.
法语里没有和英语中的现在完成时完全对应的时态。

7. gather v. (使)聚集; 集合
例句：The teacher gathered all the pupils in the auditorium.
老师把全体同学集合在礼堂内。

8. pinpoint vt. 准确地确定(位置、范围、性质、程度等
例句：Engineers are trying to pinpoint the cause of the trouble.
工程师们在设法找出故障的原因。

9. pose vt. 造成,引起
例句：The increase in student numbers poses many problems for the schools.
学生人数增加给学校造成许多问题。

10. schedule n. 时间表, 日程安排表
例句：Have you made the examination schedule?
你已经安排了考试日程吗?