词汇讲解：
1. appoint vt.任命, 委派；确定, 指定; 约定
例句：They appointed him (to be) manager.
他们任命他为经理。
2. stringent adj. (货币)紧缩的;短缺的
例句：Already low living standards have been worsened by stringent economic reforms.
严谨的经济改革使本已很低的生活水平愈加恶化。
3. urgency n. 紧迫;急迫;急事；紧要
例句：The urgency of the situation requires that we should make an immediate decision.
局势紧迫, 需要我们立即做出决定。
4. overcome vt. 战胜; 克服
例句：He has enough courage to overcome the difficulty.
他有足够的勇气来克服这个困难。
5. uncover vt. 揭开…的盖子；揭露, 发现
例句：It was two young reporters who uncovered the whole plot.
是两位年轻记者揭露了整个阴谋。
6. plot n. (秘密)计划, 密谋
例句：The police exposed a criminal plot to assassinate the President.
警察破了一个行刺总统的阴谋。
7. embarrassment n. 尴尬;难堪;局促不安
例句：The episode was a huge embarrassment for all concerned.
这段小插曲令所有有关人员都感到非常尴尬。
8. suspend vt.暂停, 终止；悬, 挂, 吊
例句：Trade with that country was suspended for ten years.
和那个国家的贸易中断了十年。
9. stage vt.举行
例句：The union staged a one-day strike.
工会筹划举行一天的罢工。
10. pledge vt. 保证, 许诺; 发誓
例句：They have pledged that they will always remain faithful to each other.
他们发誓他们将永远忠诚于对方。
11. allocate vt.分配, 分派；把…拨给
例句：They allocated funds for the new school.
他们拨出专款修建这所新学校。
12. disburse vt. 支出,付出
例句：Salaries were disbursed by the paymaster's office.
薪金已由工薪出纳员办公室发放。
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