干扰素
The United States Food and Drug Administration has approved 3 forms of beta interferon for treatment of Relapsing-Remitting MS.
VOA : special.2009.01.06
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。