BBC在线收听下载:世卫组织称马里确定第一位埃博拉病人

短语讲解：

1. More than 40 people, including 10 health workers, are now in quarantine in Kayes.

more than 多于
例句：True friendship is worth more than money. 
真正的友谊比金钱更有价值。 

2. A car bomb in Egypt Sinai peninsula has killed at least 31 soldiers.

at least 至少
例句：In fact it requires at least n generators. 
事实上，它至少要有n个元素。 

3. A number of others were treated for non-life threatening injuries.

a number of 一些
例句：A number of local personalities were present at the meeting. 
一些当地名人出席了会议。 

4. The school remains in lockdown as the police searched the building room by room to make sure it’s safe.

make sure 确信，查看
例句：Make sure the passengers are strapped in(to their seats) before driving off. 
开车前请乘客务必系好安全带. 

5. The United States has just carried out 6 air strikes in and around the Syrian town of Kobani in the past 2 days to help Kurdish fighters battle Islamic States militants.

carry out 执行; 进行
例句：No matter what we do, we must carry out our duties. 
无论干什么工作,我们都应履行自己的职责. 

6. Wearing a specially designed space suit, Alan Eustace was lifted off an abundant airport runway in New Mexico by a ballon filled with helium.

fill with （使）充[挤]满; 使满怀（某种情感等）
例句：The caisson would fill with oil from the leak.
沉箱将装满泄露处的原油。