您要查找的是不是：
- The results showed that it was effective that the compost was boiled for 15 min and then aerated for 40 minutes to harvest hydrogen bacteria. 结果表明：在煮沸菌源溶液15 min，后直接曝气40min，经这种方法处理过的菌源富集产氢菌种效果好。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- A bacterium is identified as the cause for his duodenal ulcer. 一种细菌被断定为造成他十二指肠溃疡的根源。
- hydrogen bacterium 氢细菌
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体，例如细菌
- A bacterium was identified as the cause for his duodenal ulcer. 一种细菌被断定为造成他十二指肠溃疡的根源。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- A bacterium having a spherical or spheroidal shape. 球菌球形或回转扁椭球体形状的细菌
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- Spirillum A helically shaped bacterium. 螺旋菌：一种螺旋形的细菌。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- Water can be dissolved into hydrogen and oxygen. 水能分解成氢和氧。
- Both hydrogen and oxygen are elements. 氢和氧都是化学元素。
- They have isolated the bacterium in its pure form . 他们已经把细菌分离出来，使它们处于较纯的状态。
- Hydrogen is a one-valence element. 氢是一价的元素。
- A bacterium having a sphericalor spheroidal shape. 球菌球形或回转扁椭球体形状的细菌。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
