viral antigen的用法和样例：
例句
- MethodsTo examine the astrovirus antigen and the rotavirus antigen in the stool of baby patients with diarrhea via EIA.
方法以酶联免疫吸附法检测腹泻患儿粪便中星状病毒抗原以及轮状病毒抗原。 - Viral antigens are proteins produced by virus-infected cells that can cause those cells to go berserk and start multiplying out of control, thereby becoming cancerous.
病毒抗原是蛋白质产生的病毒感染细胞，从而导致这些细胞中去的工作坊，并开始繁殖失去控制，从而成为了癌变。
