| 单词 | phase 2 vaccine trial |
| 释义 | phase 2 vaccine trialphase 2 vaccine trialImmunology A closely monitored clinical study of a new vaccine to ID common short-term side effects and risks associated with the vaccine and to collect data on immunogenicity |
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。