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- nitrogen & oxygen stations 氮氢站
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Divers persons were present, of all stations in life. 不同身份的、形形色色的人都出席了。
- Unlike oxygen, the element nitrogen is inactive. 与氧不同，元素氮不活泼。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The duke did well by people in humble stations. 那位公爵善待地位低下的人。
- Terrorists bombed several police stations. 恐怖分子炸毁了几所警察分局。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- This train calls at the chief stations only. 这班列车只停靠大站。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- 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。
- Homeless people forced to panhandle in subway stations. 无家可归的人们被迫在地铁站里乞讨。
- If it were not for oxygen and nitrogen in the air, no man could live on the earth. 大气中如果没有氧和氮，人就无法生存于地球了。
- One atom of oxygen is linked to the nitrogen atom by a double bond. 一个氧原子以双键与氮原子相连。
- 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。
- It is important that we build more hydroelectric power stations. 我们应建造更多的水力发电站,这很重要。
