音标：[bæk'tiәriә]
pl. 细菌
【医】 细菌, [无芽胞]杆菌
在线英汉词典

bacteria的短语、例句：

bacteria n[pl] (sing -ium) simplest and smallest forms of plant life, microscopic organisms that exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause of disease 细菌.