The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
人的大脑缺氧4分钟后便会造成永久性损伤。
They loaded themselves with food, medical supplies, and oxygen equipment.
他们携带了食物 、 医疗器具和氧气设备.
《简明英汉词典》
He took the dogs for an airing.
他出去遛狗.
期刊摘选
Oxygen and hydrogen make water.
氧和氢构成水.
《现代英汉综合大词典》
The shell has to be slightly porous to enable oxygen to pass in.
外壳不得不有些细小的孔以便能使氧气通过.
《简明英汉词典》
The explosive mixture in a rocket consists of both a fuel and a supply of oxygen.
火箭中的爆炸性混合物由燃料和氧气构成.
《现代汉英综合大词典》
Hydrogen combines chemically with oxygen to form water.
氢和氧化合成为水.
《简明英汉词典》
A chemist can isolate the oxygen from the hydrogen in water.
一个化学家能把水中的氧和氢分解.
《现代英汉综合大词典》
Water is a compound of hydrogen and oxygen.
水是氢和氧的化合物.
《现代英汉综合大词典》
Oxygen is one of the basic elements of substance.
氧是物质的基本元素之一.
《简明英汉词典》
Qualitative analysis shows that water is made up of hydrogen and oxygen.
定性分析表明水是由氢氧结合而成的.
《简明英汉词典》
Hydrogen and oxygen are the constituents of water.
氢和氧是水的主要成分.
《简明英汉词典》
Water was dissolved into hydrogen and oxygen.
水被分解为氢和氧.
《简明英汉词典》
Water can be resolved [ decomposed ] into hydrogen and oxygen.
水可 分解 为氢和氧.
《现代汉英综合大词典》
Water contains hydrogen and oxygen.
水含有氢和氧.
《现代汉英综合大词典》
Red blood cells transport oxygen through the bloodstream.
红细胞通过血液循环输送氧气.
《简明英汉词典》
No living things can live without oxygen.
没有氧生物就无法生存.
《简明英汉词典》
the first Briton to climb Everest without oxygen
第一个未借助氧气设备登上珠穆朗玛峰的英国人
《牛津高阶英汉双解词典》
Hydrogen and oxygen combine to form water.
氢与氧化合成水。
《牛津高阶英汉双解词典》
A lack of oxygen may inhibit brain development in the unborn child.
缺氧可能阻碍胎儿的大脑发育。
《牛津高阶英汉双解词典》
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由两个氢原子和一个氧原子构成。
《牛津高阶英汉双解词典》
Oxygen has high reactivity.
氧的反应性很高。
《牛津高阶英汉双解词典》
Ozone is a highly reactive form of oxygen gas.
臭氧是一种非常活跃的氧气形态。
柯林斯例句
Blood is the medium in which oxygen is carried to all parts of the body.
血液是将氧气输送到人体各个部位的媒介。
柯林斯例句
Smoking and drinking interfere with your body's ability to process oxygen.
抽烟与酗酒有碍身体处理氧气的能力。
柯林斯例句
Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.
碳、氢、氧化合形成碳水化合物和脂肪。
柯林斯例句
Supplementary oxygen is rarely needed in pressurized aircraft.
密封的飞机内很少需要补充氧气。
柯林斯例句
The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
人的大脑缺氧4分钟后便会造成永久性损伤。
柯林斯例句
The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.
这种药增加了血液里的红细胞数量，从而将摄氧量提高了10%。
柯林斯例句
He had the presence of mind to put his emergency oxygen tube in his mouth.
他镇定自若地把应急输氧管放进了自己的嘴里。
柯林斯例句
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 AThe 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 AThe 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 CIf 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