赖世雄英语新闻听力通 第61期:老年痴呆可以提前诊断

 (BBC News)A new computer-based test for Alzheimer's could help identify the disease much earlier than previously¹ possible.

（英国国家广播公司报道）一种运用计算机进行的老年痴呆症测试，有助于更早发现这种疾病。

Researchers in Cambridge, England, hope it will identify people at risk before symptoms are evident and drug treatments are still effective.

英国剑桥大学的研究人员希望这种测试方法可以在病人尚未出现明显症状，以及使用药物仍可以有效治疗时，早期发现可能患病的人。

The hope is that the combination of the test and new drugs under development can control the disease.

他们希望综合测试以及尚在研发阶段的新药物能够控制这种疾病。

1 previously   

adv.以前，先前（地）

参考例句：

• The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。
• Let me digress for a moment and explain what had happened previously.让我岔开一会儿，解释原先发生了什么。