BBC在线收听下载:巴西几十年来最激烈的总统选举接近尾声

短语讲解：

1. Kurdish fighters defending the Syrian town of Kobani from Islamic State militants have called for more airstrikes on IS convoys carrying reinforcements.

call for 需要
例句：Different circumstances call for different tactics. 
不同的情势需要不同的策略。 

2. The top commander of the Kurdish fighters in Kobani says the Islamic State militants have stepped up their attacks. She says the situation has become critical.

step up 加紧
例句：We must step up our vigilance. 
我们一定要提高警惕。 

3. The left-leaning incumbent Dilma Rousseff whose welfare policies are popular with the poor is facing the central right politician Aecio Neves who's seen as being pro-business.

be popular with 受…欢迎
例句：The courses seem to be popular with entrepreneurs.
这些课程似乎广受企业家的欢迎。

4. Tunisians have voted in parliamentary elections, one of the last milestones in the country's journey towards full democracy after the revolution in 2011 that set off what became known as the Arab Spring.

set off 出发; （使）开始; 引起; 点燃
例句：It's raining. Even so, we must set off. 
天在下雨,尽管如此我们还是要出发。 

5. A Senior American health official has criticized the decision by some US states to automatically quarantine anyone returning from a West African country affected by Ebola who's had contact with those suffering from the disease. An American nurse who was quarantined on her return from Sierra Leone said on Saturday she was made to feel like a criminal.

contact with 与…有交往[联系]
例句：He tried in vain to get into contact with the local branch. 
他试图与当地分部取得联络,但没有成功。 
feel like 摸起来像是…，有…的感觉; 想要…
例句：I feel like vomiting and have diarrhea.
我想要呕吐又想拉肚子。