单词：univalent vaccine
univalent vaccine的用法和样例：
例句
- GlaxoSmithKline dusted off its program and pressed forward with a new monovalent vaccine derived entirely from a single attenuated human strain.葛兰素史克取出尘封许久的计画，以单一减弱型的人类轮状病毒品系制成全新的单价疫苗，重新投入战场。
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