She injected them with phytohaemagglutinin (PHA), a substance that induces an immune reaction.
她为它们注射了植物血球

(PHA),这种能够引起免疫反映
物质。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
He had found that antigens, protein markers on the outside of cells, differed according to the blood type, and that blood clumped when the donated red blood cells were of a different type from the recipient's red blood cells.
他发现, 抗原即细胞外的蛋白质标志物,会根据血型的不同而不同,并且当捐赠者的红细胞与受赠者的红细胞类型不同时, 血液会发生凝集。