慢速英语:Iran's Next Step in Building a 'Halal' Internet

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短语讲解：

1. Yooz is the latest tool to filter out material and websites the government finds objectionable.

filter out 滤除，过滤; （消息等）泄漏
例句：We must filter out the dirt. 
我们必须滤除尘垢。 

2. During national elections and sensitive times, they even slowed down Internet traffic leaving users frustrated.

slow down （使）慢下来; （使）生产缓慢
例句：Slow down a bit and let me come up with you. 
跑慢一点让我赶上吧。 

3. Critics argue whether it is even possible for a country to turn back once it is connected to the Internet.

turn back （使）往回走; 翻起，折转
例句：Soon they had to turn back. 
不久他们就不得不往回走了。