BBC在线收听下载:使馆重开 美国与古巴恢复外交关系

1. I have referred to history to reaffirm that today an opportunity has opened up to begin working to establish new bilateral relations.

refer to 参考; 指的是; 涉及;
例句：You refer to the Forbidden City.
你是说的紫禁城。

2. The Presidency's communications adviser said these were terrorist acts carried out by people attempting to disrupt the election.

carry out 进行; 执行; 完成
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。

3. Fears that the electoral crisis could turn into a civil war have prompted the international community to call for negotiations, and for postponement of the vote.

turn into 成为; 变成（使）; 译成
例句：The war might turn into a miniature Stalingrad.
这场战争也许会变成小规模的斯大林格勒战役。

4. Turkey is stepping up security along its border with Syria after a suspected suicide bombing killed 31 people.

step up 走上; 增加（使）; 加快速度（使）
例句：We must step up our vigilance.
我们一定要提高警惕。

5. The virus levels in the women's bloodstream are now too low to be measured.

too...to 太....以至于不能
例句：He is too young to go to school.
他年纪太小,还不能上学。