covid-19检测试剂

@谢娴3200：到底是fight COVID - 19还是fight against COVID - 19?哪个对? -
令勤19489872398…… fight / fight against都可以,fight含义更加广泛,而fight against更侧重于“与…作斗争/抗争/反对”,此处更贴切一些.