正文

VOA慢速英语:Ancient Earth Had More Oxygen than Scientists Thought(翻译)

2016-08-12来源:VOA

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. measure vt.测量; 估量
例句：I measure 75 centimetres round the waist.
我的腰围是七十五公分。

2. believe vt. 相信; 信任; 以为
例句：Whom should we believe?
我们应该相信谁呢？

3. atmosphere n.气氛; 大气层; 大气
例句：Aerosols are present throughout the atmosphere.
气溶胶存在于整个大气层。

4. oxygen n.[化] 氧，氧气
例句：The administration of oxygen requires a physician's order except in an emergency.
除紧急情况外，输氧需遵医嘱。

5. evolutionary adj.进化的
例句：The ecological setting acts as a stage for evolutionary processes.
生态的布景可作为进化过程的舞台。