学个词 Learn a Word-VOA英语教学 2199-worsen

今天我们要学的词是 worsen. Worsen 动词，意思是恶化。网络安全专家预计，Cyberattacks will only worsen in 2015 as hackers¹ use more advanced techniques to infiltrate² networks. 黑客不断使用更先进的渗透手段，2015年网络攻击会进一步恶化。在最新民调中，53 percent of Americans said race relations had worsened since President Obama took office. 百分之53的受访者认为，奥巴马总统上台后的美国种族关系出现了恶化。好的，今天我们学习的词是 worsen, worsen, worsen...

1 hackers   

n.计算机迷( hacker的名词复数 )；私自存取或篡改电脑资料者，电脑“黑客”

参考例句：

• They think of viruses that infect an organization from the outside.They envision hackers breaking into their information vaults. 他们考虑来自外部的感染公司的病毒，他们设想黑客侵入到信息宝库中。 来自《简明英汉词典》
• Arranging a meeting with the hackers took weeks againoff-again email exchanges. 通过几星期电子邮件往来安排见面，他们最终同意了。 来自互联网

2 infiltrate   

vt./vi.渗入，透过；浸润

参考例句：

• The teacher tried to infiltrate her ideas into the children's minds.老师设法把她的思想渗透到孩子们的心中。
• It can infiltrate as much as 100 kilometers into enemy territory at night.可以在夜间深入敌领土100千米。