basis
n. 基础；根据；基本原则，准则

basically
ad. with regard to what is most important and basic; in reality 基本上；实际上；主要地

witness
vt. see (sth.) happen 目击
n. a person who sees an event take place and is therefore able to describe it to others 目击者，见证人

demonstration
n. 1. the expression of a feeling （情绪的）显示，表露
2. a public show of strong feeling or opinion, often with marching, big signs 示威游行

absolute
a. 1. not depending on or measured by comparison with other things 绝对的
2. complete: total 完全的；十足的
3. certain; definite; leaving no doubt 确实的；不容置疑的

custom
n. 1. (an) established socially accepted practice 习俗，风俗
2. the habitual practice of a person （个人）习惯

customary
a. established by custom; usual or habitual 习俗的；习惯的

*disintegrate
v. 1. fall apart 瓦解；解体
2. (cause to) break into small parts or pieces （使）碎裂；（使）粉碎

headlight
n. 车前灯

cruiser
n. (AmE) a police car （美）警察巡逻车

sake
n. 目的；理由；缘故；利益

arrest
vt. take and keep (sb.) prisoner with the authority of the law 依法逮捕，拘捕

athletic
a. of or concerning athletes or athletics 运动员的；运动的

security
n. safety; sth. that provides or assures safety 安全；保卫措施，安全措施

*spectator
n. a person who is watching an event or game （比赛等的）观看者，观众

emotion
n. 1. any of the strong feelings of the human spirit 情感；激情；感情
2. strength of feelings; excited state of the feelings 激动

contest
n. an event in which people compete against each other; a competition 竞赛；比赛