heterologous vaccine

• 异种疫苗

heterologous vaccine的用法和样例：

例句

1. The ideal technology would be a vaccine that gives lifetime immunity with a single dose.
   最理想的技术是发明一种疫苗，只要注射一次，就可终生免疫。
2. The company is also working with a vaccine that trains cancer patients' immune systems to attack cells that produce telomerase.
   该公司还在研发一种疫苗，这种疫苗训练患者的免疫系统去攻击产生端粒酶的细胞。