双解释义
英英释义
词典解释
网络解释
noun
1. (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission
important as pathogens and for biochemical properties
taxonomy is difficult
often considered to be plants
Synonym: bacterium
1. 细菌
Bacteria are very small organisms. Some bacteria can cause disease.
e.g. Chlorine is added to kill bacteria.
加氯是为了杀死细菌。
1. 域: 细菌域：微生物包 木耳 灵芝)所以微生物不一定是看不见的. 细菌包括球菌 杆菌 螺旋菌 弧菌,细菌是单细胞的原核生物,域: 细菌域(Bacteria) 门: 变形菌门(Proteobacteria) 纲:γ-变形菌纲(Gammaproteobacteria
2.
2. 细菌类：培养细菌类(Bacteria)武器的原理,大致上跟酿酒大同小异:将冷冻保存的「细菌种子」放入发酵锅(Fermenter)内繁殖,细菌便会以几何级数的速度生长,在很短时间就可以繁殖出大量细菌.
3. bacteria的反义词
3. 真细菌：按照现行的生物系统发育(Phylogeny)关系(与1987年之前的分类系统不同;2层下段),可将这些物种分为3个域,即真细菌(Bacteria)、古细菌(Archaea)和真核生物(Eucarya).
常用例句
词汇搭配
词语用法
高考真题例句
Bacteria are an annoying problem for astronauts.
细菌对宇航员来说是个恼人的问题。
2019全国卷2
For the past two years, Gordon's students have been studying ways to kill bacteria in zero gravity, and they think they're close to a solution(解决方案).
在过去的两年里, 戈登的学生们一直在研究在零重力下杀死细菌的方法, 他们认为他们已经接近一个解决方案。
2019全国卷2
