Oxygen
🇬🇧/ˈɒksɪdʒən/ 🇺🇸/ˈɑːksɪdʒən/📚 3875 89 2四级考研托福高考Oxygen is a colourless gas that exists in large quantities in the air. All plants and animals need oxygen in order to live. 氧气
noun [专属名词]氧，氧气
The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
人脑缺氧只需4分钟就会造成永久性损伤。
- Oxygen 出现在下面的课文中
- Lesson 55 From the earth:Greetings Oxygen 名词: 氧气
- Lesson 35 Space odyssey Oxygen 名词: 氧气
- Lesson 45 The power of the press
- Lesson 43 Are there strangers in space?
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