常見例句Most species have root nodules containing nitrogenfixing bacteria. 大多數(shù)有根瘤，其中含有固氮菌。aerobic nitrogenfixing bacterium 好氣固氮細(xì)菌anaerobic nitrogenfixing bacterium 嫌氣固氮細(xì)菌 返回 nitrogenfixing