VOA慢速英语 生物标志物对预测心脏病帮助甚微

　　3.presence n.出席, 面前, 存在, 仪态, 风度

　　例句：She seemed to sense his presence.

　　她似乎已经嗅到了他的存在。

　　4.justify v.替...辩护, 证明

　　例句：The judge said he found nothing to justify blame in the accident.

　　法官说他没有找到能够判定此次事故责任的证据。

　　5.therapy n.治疗

　　例句：The different therapy was used for deferent parts of herpes zoster.

　　不同部位的带状疱疹应用不同疗法。

　　6.obesity n.肥胖

　　例句：Obesity is related to many diseases such as high blood pressure and heart disease.

　　肥胖与许多疾病有关，如高血压和心脏病。