VOA慢速英语:Tons Of Methane Gas Could Be Trapped Under Antarctica

短语讲解：

1. And they say if enough ice melts, it is possible that enough of the gas could escape and add to the warming of Earth’s atmosphere.

add to 增添，增加
例句：I have nothing to add to my earlier statement. 
我对我先前说的话, 没有什么补充的. 

2. Sandra Arndt also worked on the study.

work on 从事
例句：From now on you can work on your own. 
你从现在起可以独立工作了. 

3.  The scientists say the organic material came from a period thirty five million years ago.

come from 来自
例句：Dreams come from within, not from the outside. 
梦由内心产生，非来自外界。 

4. Another scientist involved in methane research described the Arctic area as the fastest-warming area on Earth.

involve in 涉及；卷入
例句：My work's problem do not want to involve in you. 
我工作上的问题不想把你也牵扯进来。

5. Others note that the possibility of a fast methane release could speed up rising temperatures on Earth.

speed up 加紧
例句：We will be able to speed up that day. 
我们要促使这一天的来临。

6. For the past eleven years, the Vaccine Research Center at America’s National Institutes of Health has been taking part in the search.

take part in 参加
例句：Did you take part in the festival feast last night? 
你参加昨晚的节日宴会了吗？