单词：chick embryo cell vaccine
chick embryo cell vaccine的用法和样例：
例句
- Conversely, the tumors might mutate to "escape" the immune onslaught engendered by a dendritic cell vaccine.反之，肿瘤可能也会产生突变，因而躲过树突细胞疫苗引发的免疫攻击。
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