夏说英语新闻晨读 第549期:柏林病人再现

 本期内容：

A cure for Aids is a step closer, scientists believe, after a bone marrow¹ transplant that has left a London patient HIV-free for 18 months. The success in London, 12 years after Timothy Brown, the so-called Berlin patient, underwent a similar transplant, was hailed as a key moment in the long hunt for a cure. "Although it is not a viable² large-scale strategy for a cure, it does represent a critical moment in the search for an HIV cure," said Anton Pozniak, the president of the International Aids Society.

cure:
v. 治疗
n. 疗法
bone marrow transplant: 骨髓移植
leave sb. adj.: 致使
undergo: 忍受
be hailed as: （心怀敬意得）将其视为……
be regarded as (with great honour)
critical adj.: 批判的；临界的

1 marrow   

n.骨髓；精华；活力

参考例句：

• It was so cold that he felt frozen to the marrow. 天气太冷了，他感到寒冷刺骨。
• He was tired to the marrow of his bones.他真是累得筋疲力尽了。

2 viable   

adj.可行的，切实可行的，能活下去的

参考例句：

• The scheme is economically viable.这个计划从经济效益来看是可行的。
• The economy of the country is not viable.这个国家经济是难以维持的。