oxygen
英 ['ɒksɪdʒ(ə)n]
美['ɑksɪdʒən]
- n. [化学] 氧气，[化学] 氧
考试真题
- He displays fire fighters' equipment, including the oxygen mask, which he encourages his listeners to play with and put on.
出自-2010年12月听力原文
- He provides oxygen masks to children free of charge
出自-2010年12月听力原文
- A drop in oxygen pressure can cause headaches in certain individuals.
2019年12月四级真题（第三套）阅读 Section A
- The lower oxygen pressure found in an aircraft cabin is equivalent to that at 6, 000-8, 000 feet of altitude.
2019年12月四级真题（第三套）阅读 Section A
- The higher one climbs, the less oxygen there is in the air.
出自-2012年12月听力原文
- You breathe less when you sleep, so you get less oxygen
出自-2012年12月听力原文
- Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
2015年12月六级真题（第二套）听力 Section C
- If the air you're breathing is clean—which it would be if you're away from the smog of cities—then the air is filled with life-giving, energizing oxygen.
2019年高考英语全国卷I 阅读理解 七选五 原文
- If you exercise out of doors,your body will learn to breathe more deeply,allowing even more oxygen to get to your muscles and your brain.
2019年高考英语全国卷I 阅读理解 七选五 原文
- Phytoplankton live at the ocean surface, where they pull carbon dioxide into the ocean while giving off oxygen.
2019年高考英语北京卷 阅读理解 阅读D 原文
- The loss of shade trees is already causing a slight change in the world's climate, and studies show that loss of oxygen-giving trees also leads to air pollution and global warming.
2015年高考英语陕西卷 阅读理解 阅读B 原文
- To do CPR, you press on the sick person's chest so that blood moves through the body and takes oxygen to organs.
2017年高考英语北京卷 阅读理解 阅读A 原文
- Without oxygen the brain is damaging quickly.
2017年高考英语北京卷 阅读理解 阅读A 原文
- Laughter does produce short-term changes in the function of the heart and its blood vessels, boosting heart rate and oxygen consumption.
2011年考研真题（英语一）完形填空 Section Ⅰ