Bacteriological means “about the scientific study of bacteria,” or “done with the methods of that study.” Bacteriology is the science that looks closely at those tiny living things: how they grow, how they spread, how they make people sick, and how we can stop them.

Bacteriological means "about the scientific study of bacteria," or "done with the methods of that study."Bacteriological意思是「跟細菌的科學研究有關」，或「用那種研究方法做的」。Bacteriology is the scienceBacteriology是一門科學 that looks closely at those tiny living things仔細研究這些微小生物： how they grow它們怎麼生長， how they spread怎麼傳播， how they make people sick怎麼讓人生病， and how we can stop them以及我們要怎麼阻止它們。

So a bacteriological test is a lab check for bacteria in water, food, or a sample from a patient. A bacteriological laboratory is the room where that work happens.

So所以 a bacteriological test is a lab checkbacteriological test是一種實驗室檢驗 for bacteria in water, food, or a sample from a patient檢查水、食物，或病人檢體裡的細菌。A bacteriological laboratory is the roombacteriological laboratory就是那個房間 where that work happens做這種工作的地方。

The word is formal and scientific; you will meet it in reports, hospitals, and school biology, not in chat. Though actually, in everyday talk people often just say “bacteria test” and skip this long adjective.

The word is formal and scientific這個字正式又科學； you will meet it你會在 in reports, hospitals, and school biology報告、醫院和學校生物課裡遇到它， not in chat而不是在聊天時。Though actually不過其實， in everyday talk在日常對話裡 people often just say "bacteria test"人們常常就直接說「bacteria test」 and skip this long adjective而省略掉這個長長的形容詞。