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BBC在线收听下载:奥巴马呼吁加快对寨卡病毒研究

2016-02-02来源:BBC

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词汇讲解：

1. announce vt.宣布; 述说; 声称
例句：Please announce to the children that there will be no school this afternoon.
请通知孩子们今天下午不上课。

2. examine vt.检查，调查
例句：The doctor examine the patient carfully.
医生对这位病人作了仔细检查。

3. detain vt.耽搁; 留住，阻住
例句：This question need not detain us long.
这个问题不需要很久的时间就能解决。

4. impede vt.阻碍; 妨碍; 阻止
例句：One shouldn't impede other's progress.
一个人不应该妨碍他人进步。

5. secure adj. 安全的; 牢固的; 有把握的
例句：He knew by the cheer that he was secure again and popular.
从喝采声中，他知道他重新得到了安全和好感。

6. execute vt.执行; 完成; 履行; 处死
例句：We should continue to execute the Backlog thereafter
今后我们应该继续完成积压下来未及时交货的订单。