您要查找的是不是：
- A film of mucus and bacteria on a tooth surface. 齒菌斑牙齒表面一層粘液和細菌的膜
- Bacteria are too small to see with the naked eye. 細菌太小，肉眼看不見。
- Many diseases are caused by bacteria. 許多疾病是由細菌引起的。
- Dissolution or destruction of bacteria. 溶菌作用對細菌的溶解或破壞
- Such a growth or colony, as of bacteria. 培養菌該種生長物或群落，如培養菌
- The presence of bacteria in the blood. 菌血症血液中細菌的存在
- He worked out methods to destroy bacteria on the seeds. 他研究出消滅種子上細菌的方法。
- A thick-walled resting spore, as in certain algae or fungi. 包囊一種厚壁休眠孢子，如在某些海藻或者真菌中
- A bacterium is identified as the cause for his duodenal ulcer. 一種細菌被斷定為造成他十二指腸潰瘍的根源。
- Water is the core of a healthy ecosystem. 水是維持生態系統良性循環的根本。
- Professor Fang worked out a method to destroy bacteria on the seeds. 方教授想出了一個辦法來消滅種子上的細菌。
- A substance used to kill or inhibit the growth of algae. 殺藻劑用來殺死或制止水藻生長的物質
- An old shellfish or turtle with a growth of algae on its back. 綠毛龜一種背上有綠色水藻的老的水生貝殼類動物或海龜
- An organism, often a bacterium or fungus, that feeds on and breaks down dead plant or animal matter, thus making organic nutrients available to the ecosystem. 腐生菌; 腐生物一種有機物，通常是細菌以死的動植物為食並把它們分解，藉此為生態系統提供有機養分
- Observe carefully how the bacteria respond to this stimulus. 仔細觀察細菌對這一刺激有什麼反應。
- Does potting plants means treasuring ecosystem? 家養花草就是愛護生態嗎?
- Algae grow and spread quickly in the lake. 湖中水藻滋蔓。
- Hot weather multiplied the bacteria in the food rapidly. 炎熱的天氣使食品中的細菌迅速繁殖。
- A similar mass of fibers formed by certain bacteria. 由某種細菌形成的類似的一束纖維
- To respect Mother Nature and protect the ecosystem. 要尊重自然、保護生態。
