preventive vaccine
英
美
- 预防用疫苗
双语例句
- Is there a human vaccine to protect from swine influenza?
是否有人用疫苗来保护免于感染猪流感病毒? - The target of the vaccine is a hormone called ghrelin.
用疫苗的话,是一种称为脑肠肽的激素。
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