读音

/ˈbæktriə, ˈbæktrɪə/

释义

• 名词: 微生物，尤指细菌。单细胞的原核生物，有的对人类有益，有的有害。例如: “Bacteria are essential for breaking down organic matter in soil.”
• 复数名词: 不可数名词，通常用作复数形式，指细菌群体。例如: “There are millions of bacteria on your hands.”

短语

• “Friendly bacteria” 指对人体有益的菌群，如肠道益生菌。
• “Pathogenic bacteria” 指致病菌，能引起疾病。

例句

• 名词: “Antibiotics can kill harmful bacteria in the body.”
• 复数名词: “Scientists study the role of bacteria in the ecosystem.”

同义词

• Germs
• Microbes
• Bacilli
• Microorganisms
• Prokaryotes