基本解释肠球菌同根派生 英汉例句Enterococcus faecalis is the model for gram positive bacteria and is representative of enterococi, streptococci and staphylococci. 粪肠球菌是革兰氏阳性菌，被用作肠球菌属、链球菌属和葡萄球菌属的代表来研究。