VOA慢速英语:Is Your Computer Committing Cybercrimes?

短语讲解：

1.  He says the operators of the servers did not know they werelinked to cybercrime.

link to 把……和……联系起来
例句：Research finds genetic link to some types of gum disease 
研究发现遗传与某些牙龈疾病有关。

2. Zeus botnets are positioned all over the world.

all over 到处，遍及
例句：Happiness diffused all over the crowded deck like a flower fragrance. 
幸福象花儿的芬芳一样散布在拥挤的甲板上。 

3. Mr. Boscovich says they act as command and control centers forthe infected computers.

act as 扮演;担当
例句：He volunteered to act as a guide to the Palace Museum. 
他自动提出充当游故宫的向导。

4. “It’s not just one botnet but probably hundreds of differentbotnets that come from this particular code base.”

come from 来自，来源于
例句：Ambient noise may come from any direction. 
外界噪声可以来自任意方向。 

5. So it takes a lot of effort to be able to identify where theywere, or where they are and where they are going to be.”

a lot of 大量
例句：I got a lot of mail from Italy. 
我接到很多从意大利来的信件。 
be able to 能够
I believe he is able to tell the true from the false. 
例句：我相信他能辨别真伪。

6. Mr. Boscovich says there are many things that users can andshould do to protect themselves from harmful software programs.

protect from 保护
例句：The plants should be protected from the cold.
应该保护这些植物使之不受冻。

7. “The bad guys are extremely adept at sending emails thatappear to be from friends, from family members or from banks orcompanies, in fact.”

appear to be 好像是(强调状态)
例句：They appear to be able to handle the problem. 
他们似乎可以处理这个问题。 

8.  Security experts from CrowdStrike, Dell SecureWorks and othercompanies took down a large botnet known as Kelihos last month.

take down 写下;记下
例句：He took down her speech.
他记下了她的演说。