和谐英语

VOA常速英语:New Alzheimer's Research Raise Hope for Treatment, Cure

2012-02-17来源:VOA
词汇讲解:
1. commit vt. 承诺; 使自己受约束
例句:He has committed himself to support them.
他答应负担他们的生活。

2. accelerate vt. (使)加快, (使)增速
例句:Our country should accelerate the economic growth.
我国应加快经济增长。

3. progression n. (事件的)连续;一系列
例句:A progression of disagreements has led to war between those nations.
一连串的不和导致那些国家之间爆发了战争。

4. insight n. 洞悉;深刻的理解
例句:His speech gave us an insight into the problems of education.
他的演讲使我们对教育问题有了深入的了解。

5. spread vi. 传开,传播;蔓延开
例句:His name spreads all over the world.
他成了海内外尽人皆知的名人。

6. breakthrough n. 突破点, 突破性进展, 重要的新发现
例句:Scientists have made a breakthrough in their treatment of that disease.
科学家在治疗那种疾病方面已有突破。

7. devastate vt. 彻底破坏;摧毁;毁灭
例句:A storm devastated the island.
一场暴风雨使这个岛遭到彻底破坏。

8. overwhelm vt. 覆盖, 淹没
例句:A great wave overwhelmed the boat.
一个巨浪吞没了那只小船。

9. momentum n. 动力;推进力; 势头
例句:The style prevails and picks up momentum.
这式样很流行, 而且越来越流行。

10. undergo vt.经历, 承受
例句:This new plane is undergoing safety tests.
这架新型飞机正在接受安全试验。