您要查找的是不是：
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Have you the requisite visa to enter Canada? 你有进入加拿大必备的签证吗?
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- requisite oxygen 所需氧
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- He hasn't got the requisite qualifications for this job. 他不具备这项工作所需的资格。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- She expect to achieve the requisite two-thirds majority for nomination. 她期望得到获得提名所必需的三分之二多数。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- A map is requisite for a traveler. 地图是旅行者必备的。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- She expected to achieve the requisite two-thirds majority for nomination. 她期望得到获得提名所必需的三分之二多数。
- Decision is a quality requisite to a leader. 果断是领导者必备的素质。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- She lacks the requisite experience for the job. 她缺少做这份工作所必需的经验。
- 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
- The requisite conditions may seldom have concurred. 此等恰恰需要的条件，常难能凑合。
