和谐英语

VOA慢速英语:A Possible Blood Test for Alzheimer’s Disease

2012-03-13来源:VOA
词汇讲解:
1. personality n. 个性,性格
例句:He has a strong personality.
他性格坚强。

2. sign n. 征兆, 迹象
例句:There is every sign to show that the enemy will retreat.
种种迹象表明敌人要退却。

3. apparent adj. 显然的, 明白的, 清晰可见的
例句:His guilt is apparent to all.
他的罪恶尽人皆知。

4. identify vt.认出, 识别
例句:She learned how to identify medicinal herbs from a traditional Chinese doctor.
她向一位中医大夫学习如何识别草药。

5. attempt vt.试图; 尝试
例句:He attempted to get in touch with them but without success.
他试图和他们联系, 但未成功。

6. diagnose vt. 诊断(疾病);判断(问题的原因)
例句:He diagnosed the trouble that caused the engine to knock.
他找出了引擎咔咔响的毛病所在。

7. delay v. (使)耽搁, 延误
例句:Heavy traffic delayed us.
繁忙的交通把我们耽误了。

8. symptom n.症状;征兆
例句:The doctor told her to watch out for symptoms of measles.
医生叫她注意麻疹出现的症状。

9. available adj. 可用的,现成可使用的,合用的,便于利用的
例句:My bicycle is not available, and it is being repaired.
我的自行车现在不能用, 因为正在修理。

10. uncover vt. 揭露, 发现
例句:His criminal activities were finally uncovered.
他的犯罪活动最终被揭露出来。