The study tested a two-vaccine combination in a "prime-boost" approach, where the first one primes the immune system to attack the HIV virus, and the second one strengthens the response.
这项研究测试了两种疫苗的组合注射，采用“启动—提高”的办法，其中第一种疫苗启动免疫系统攻击艾滋病毒，而第二种疫苗则强化这一反应。
This method, known as "prime-boost", has been tested on more than 16,000 volunteers in Thailand.
这个方法即所谓的“刺激增强”，已在泰国的16000多名志愿者身上试验过。
Brown was on a surprise visit to British troops in southern Iraq and trying to boost his credentials to take over from Prime Minister Tony Blair sometime over the next year.
布朗此次突然访问驻扎在伊拉克南部的英军是为他接替明年卸任的布莱尔首相造势。
Brown was on a surprise visit to British troops in southern Iraq and trying to boost his credentials to take over from Prime Minister Tony Blair sometime over the next year.
布朗此次突然访问驻扎在伊拉克南部的英军是为他接替明年卸任的布莱尔首相造势。
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