nitrogensealed

常见例句

• Air consists chiefly of nitrogen.
  空气主要由氮气组成。
• 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。
• Nitrogen forms about 78% of the earth's atmosphere.
  氮约占地球大气的百分之七十八。
• Will you sunder nitrogen from air?
  你能从空气中把氮气分离出来吗?
• Nitrogen is the most commonly used gas.
  氮气是最常用的气体。
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