Human can not live without
oxygen.
没有氧气人类无法生存。
Air contains hydrogen and
oxygen.
空气中含有氢和氧。
Breathing pure
oxygen can be dangerous for humans.
呼吸纯氧对人类可能是危险的。
Oxygen is essential for the survival of most living organisms on Earth.
氧气对于地球上大多数生物的生存至关重要。
The burning of wood requires
oxygen, which is why fire needs
oxygen to continue.
木头燃烧需要氧气，这就是为什么火需要氧气才能持续的原因。
In space, astronauts need to carry
oxygen tanks for respiration.
在太空中，宇航员需要携带氧气罐进行呼吸。
Oxygen therapy is often used to treat patients with respiratory diseases.
氧气疗法常用于治疗呼吸系统疾病的患者。
Marine plants produce
oxygen through photosynthesis.
海洋植物通过光合作用产生氧气。
The process of rusting involves the oxidation of iron, which requires
oxygen.
铁生锈的过程涉及氧化铁，这需要氧气。
At high altitudes, the concentration of
oxygen in the air is lower.
在高海拔地区，空气中的氧气浓度较低。
Oxygen is the eighth element on the periodic table.
氧是周期表上的第八种元素。
Some bacteria can survive in environments without
oxygen, a condition known as anaerobic respiration.
一些细菌可以在没有氧气的环境中生存，这种情况被称为厌氧呼吸。
It boasts Cathaya argyrophylla trees imported from China that emit natural oxygen, a top-notch international school and an elder care service center equipped with advanced medical staff and equipment, with ambulances and helicopters on duty around-the-clock.
它拥有从中国进口的排放天然氧气的银杉，一所一流的国际学校和一个配备了先进医护人员和设备的老年护理服务中心，救护车和直升机24小时值班。
The company is in the early discussion stage with Chinese partners including China Petrochemical Corp, or Sinopec, the world's largest refiner by volume, as well as Hangzhou Oxygen Plant Group Co Ltd to further expand its business in the country.
该公司正处于与中国合作伙伴的早期讨论阶段，其中包括中国石油化工集团公司（China Petrochemical Corp）或中国石化（Sinopec），这是全球产量最大的炼油商，以及杭州制氧厂集团有限公司（Hangzhou Oxygen Plant Group Co Ltd），以进一步扩大其在中国的业务。
With an overall weight of about 5 grams and the size of a band-aid, the gadget can collect data such as brain wave, blood oxygen and body movement during sleep to help improve sleep quality.
这款小工具的总重量约为5克，大小相当于创可贴，可以收集睡眠期间的脑电波、血氧和身体运动等数据，以帮助改善睡眠质量。
The project, valued at about $830 million, will produce 30,000 tons of green hydrogen and 240,000 tons of green oxygen each year, it said.
该项目价值约8.3亿美元，每年将生产3万吨绿氢和24万吨绿氧。
According to the plans, the hydrogen and oxygen produced by the project will be transported by pipelines to the nearby Ordos coal deep processing demonstration project charged by ZTHC Energy Co, to replace part of the coal-to-hydrogen production.
根据计划，该项目生产的氢气和氧气将通过管道输送到附近的鄂尔多斯煤炭深加工示范项目，该项目由ZTHC能源公司负责，以取代部分煤制氢。
The agreement's focus areas include low-carbon sintering technology, blast furnace and basic oxygen furnace optimization, and carbon capture and utilization, it said.
该协议的重点领域包括低碳烧结技术、高炉和碱性氧气炉的优化以及碳捕获和利用。
In late 2020, China Post Drugstore, a branch of China Post Hengtai Pharmaceutical－itself a subsidiary of China Post－opened a milk tea store named Post Oxygen of Tea in downtown Fuzhou, Fujian.
2020年末，中国邮政恒泰药业的子公司中国邮政药店在福建福州市中心开设了一家奶茶店，名为Post Oxygen of tea。
Professionals will install and test multiple key systems for the aircraft, such as the air conditioning, oxygen, fuel and flight control systems, in the fuselage.
专业人员将在飞机机身内安装并测试多个关键系统，如空调系统、氧气系统、燃油系统和飞行控制系统。
With an altitude of more than 5,000 meters and the oxygen content only one-third that of the plain region, the Tsonyi special district sees extreme weather with its lowest temperature reaching 40 degrees centigrade below zero.
托素湖区海拔5000多米，氧气含量仅为平原地区三分之一，极端天气气候条件，最低气温零下40摄氏度。
The company's pollutant emissions continued to decline, and chemical oxygen demand emissions, ammonia nitrogen, sulfur dioxide and nitrogen dioxide emissions decreasing by 5.7 percent, 13.6 percent, 8.5 percent and 7.6 percent, respectively, compared with that in 2018.