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2. execute vt.处决；执行, 实现; 使生效
例句：Never once did I doubt that I would be able to execute my plan.
我从未怀疑过我能执行自己的计划。
3. sporadic adj. 偶尔发生的；间或出现的；阵发性的；断断续续的
例句：There were reports of sporadic fighting in the streets.
有报道说街上有零星战斗。
4. strand vt. 使处于困境
例句：I was left stranded penniless in a strange city.
我流落在一个陌生的城市里,身无分文,一筹莫展。
5. proceed vi. 进行; 继续下去
例句：The trial is proceeding.
审问正在进行。
6. eyewitness n. 目击者
例句：The police questioned several eyewitness to the murder.
警察询问了谋杀案的几位目击者。
7. alert n. 警戒，戒备，警惕，警报
例句：The whole navy was placed on full alert.
整个海军都处于全面戒备状态。
8. conclude vt. 推断出,断定
例句：What can you conclude from these observations?
你从这些观察中能得出什么结论?
9. preoccupy vt. 占据(某人)思想; 使对…全神贯注, 使专心于
例句：The question of whether life exists on other planets preoccupied the boy's mind.
那男孩心中老是想着其他星球上是否存在生命这一问题。
10. mince v. 说话不隐讳；直言不讳
例句：Sir John, never a man to mince his words, said in a TV interview that the government had lied.
约翰爵士是直言不讳的人，他在一次电视采访中说政府欺骗了民众。
