VOA慢速英语:American History: Teddy Roosevelt Leads Nation After McKinley’s Murder

例句：the age of wireless communication
      无线通讯时代

      All large ships now have a wireless installation.
      所有的大型船舶现在都有无线电装置。

2.overcome vt.vi.战胜; 克服

例句：He believed the faith that truth would overcome.
      他相信真理终会得胜。

      They overcame the enemy easily.
      他们轻松地战胜了敌人。

3.denounce vt.公开指责，谴责，斥责

例句：We should denounce a heresy.
      我们应该公开指责异端邪说。

4.dishonesty n.不诚实的行为

例句：He has acquired a reputation for dishonesty.
      他得到了奸诈的名声。

      Don’t listen to him.His ideas smell of dishonesty.
      不要听他的,他的主意听上去不诚实。

5.resign vt.vi.辞职, 放弃

例句：Mander resigned from office.
      曼德辞职了。

      He resigned his directorship and left the firm.
      他放弃了董事职务, 离开了公司。

6.bravery n.勇敢;勇气；勇敢的行为

例句：The judge praised the firefighters for their bravery and devotion to duty.
      法官赞扬消防人员的勇气和敬业精神。

      These soldiers were decorated for bravery.
      这些士兵因英勇而受奖。

7.shorten vt.vi.弄短, 缩短

例句：The days shorten in winter.
      冬季日短。

      She shortened the skirt by an inch.
      她把裙子缩短了一英寸。