慢速英语:Rio Olympics, Unlikely Winners Top 2016 Sports News

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短语讲解：

1. Earlier in the year, reports coming from Rio de Janeiro said the country was behind schedule in building housing and event spaces for the Olympics.

come from 源自; 来自某处; 出生于
例句：He's just come from the countryside.
他刚从乡下来。

2. And athletes from some nations said they would not travel to Brazil because of worries about the Zika virus.

worry about 担忧， 烦恼; 惦念
例句：Don't worry about me; I'm very well.
别为我担心，我很好。
because of 因为，由于
例句：It is mainly because of my fault.
这主要是由于我的过错。

3. He spoke out against the U.S. involvement in the Vietnam War.

speak out 毫无保留地说出
例句：Speak out. Don't just brood over things.
你有什么事就说吧, 别圈在心里。