短语讲解：
1. Iny Ememobong, a spokesperson for the National Association of Nigerian Students, says filling stations in the southern town of Yuo have become overwhelmed with demand for fuel due to price uncertainty.
demand for要求…
例句：The workers demand for better conditions of work.
工人们要求改善工作条件。
due to由于，因为
例句：Her absence is due to illness.
她因病缺席。
2. Adding to the confusion is the wide variation in new fuel prices says Ememobong.
add to增加, 加强
例句：This lesson adds to the value of the book.
这一课增加了这本书的价值。
3. The marketers are obviously extorting money from the buyers because there’s nothing you can do.
extort from向…敲诈
例句：The blackmailer tried to extort a large sum of money from him.
勒索者企图向他勒索一大笔钱。
4. Labor is going on protest, students are going on protest, market women - everybody’s going because everybody is affected by what’s happening.
go on发生，(活动)进行
例句：There is a wedding going on at the church.
教堂正在举行一场婚礼。
5. Despite being Africa’s largest oil producer, Nigeria imports most of its refined petrol while exporting its crude resources – a fact that speaks to capacity in Nigeria, says Ememobong.
speak to围绕…谈
例句：He does not speak to the subject.
他没有说到主题。
6. It’s unfortunate that we have many refineries in Nigeria that are not even working at optimal capacity.
work at从事于…, 致力于…
例句：Is Tom still working at the new book that he promised?
汤姆仍在埋头撰写他曾允诺的那本新书吗?
