oxygen

美 [ˈɑksɪdʒən]
英 [ˈɒksɪdʒ(ə)n]
  • n.氧;氧气
  • 网络强氧;极速杀阵;氧气瓶
oxygen
n.
1.
氧;氧气a chemical element. Oxygen is a gas that is present in air and water and is necessary for people, animals and plants to live.

例句

释义:
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,