preserve food and clothes in oxygen free air
用缺氧空气保存食品和衣服
Never enter an oxygen-deficient atmosphere (
禁止未戴自给式呼吸器进入缺氧空气（氧含量小于19.5%）。
SCBA is also recommended, but remember, atmospheres that are oxygen-deficient are within the flammable range and should not be entered.
但是记住，SCBA还建议，不要进入在可燃范围内的缺氧空气。
a sound wave causes periodic rarefactions in its medium.
高山空气的稀薄导致缺氧。
the rarefied air(ie with little oxygen)of the Andes
安第斯山脉的稀薄空气（缺氧）.
If air is needed, the oxygen mask in the plane will pop down by itself.
如果空气缺乏，飞机内的氧气面罩会自动放下。
Studies on the Effects of Fulminating Altitude Hypoxia and Enriched Oxygen Protection on Rats;
高空暴发性缺氧对机体的影响及富氧气体防护效果的研究
life sustained in the presence of air or oxygen.
需要空气或氧气的生活。
"Inhalation:Move to fresh air. If breathing has stopped or is labored, give assisted respirations. In case of shortness of breath, give oxygen."
吸入:将由于缺氧窒息人员移到空气清新处,若已停止呼吸,采用人工呼吸。若呼吸困难,则输氧
Effects of Pure Oxygen and Room-Air Resuscitation on Hepatocyte Apoptosis and Expressions of Bcl-2 and Bax Protein in Neonatal Rats after Asphyxia
纯氧与空气复苏对缺氧新生大鼠肝细胞凋亡及Bcl-2和Bax蛋白表达的影响
The hare died for lack of air.
野兔因缺乏空气而死。
Air is indispensable to life.
空气是生命不可缺少的。
Oxygen and carbon dioxide from the air enter through the stoma.
氧和二氧化碳从空气中进入气孔。
Research Progress of Glyphosate Production by Air or Oxygen Oxidation
空气(氧气)氧化法制草甘膦的研究进展
Deficiency in the amount of oxygen reaching body tissues.
缺氧症到达人体组织的氧气量不足
Hypoxia： Condition in which tissues are starved of oxygen. The extreme is anoxia (absence of oxygen).
低氧:身体组织缺氧的状态，最严重的情况是缺氧(完全得不到氧气)。
APPLICATION OF A/O PROCESS IN OXIDATION AERATION TANK
A/O(缺氧/好氧)工艺在氧化曝气池上的应用
Air contains oxygen, and the hot tungsten could burn in it.
空气中有氧气，在氧气里热钨丝会燃烧起来。
