正文

BBC在线收听下载:美研究人员称祖先与我们同样缺少睡眠

2015-10-18来源:BBC

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

词汇讲解：

1. announce vt.宣布; 述说
例句：I was to announce a bride that night.
那晚我要宣布一位新娘.

2. intend vt.意欲，计划
例句：You intend to invite four friends?
你打算邀请四个朋友？

3. opposition n.（强烈的）反对，敌对; （政府的）反对党
例句：They planned to crush down all opposition.
他们策划镇压一切反动力量。

4. classify vt.分类，归类
例句：He carefully began to classify the results of his examinations.
他开始细心地为他的检验结果分类。

5. discover vt.发现; 碰见
例句：You shall not discover it to any person in the world.
你不要向世上任何人道破这件事。

6. artificial adj.人工的; 人造的; 人为的
例句：The room was decorated with artificial flowers.
房间用人造花装饰。