vaccines
n.
疫苗，痘苗( vaccine的名词复数 );
例句:
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Twelve potential vaccines are currently being tested on human volunteers.
目前正在人类志愿者身上试验12种试用疫苗。
来自柯林斯例句
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Anti-malarial vaccines are now under-going trials.
抗疟疾的疫苗正在试验阶段。
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His team are at the forefront of scientific research into vaccines.
他的小组处于疫苗科研的最前沿.
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Imagine you own a company that makes flu vaccines.
来自SA
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Basically vaccines are a victim of their own success .
来自SA
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He wants to make sure people use vaccines safely.
来自SA