oxygen

/ˈɒk.sɪ.dʒən/

翻译: 一种化学元素（符号 O），无色无味的气体，是呼吸和燃烧所必需的，约占地球大气的21%。

1 个条目

noun

A2formalcommonscientific/ˈɒk.sɪ.dʒən/

不可数

A chemical element (symbol O) that is a colorless, odorless gas essential for respiration and combustion, making up about 21% of the Earth's atmosphere.

🇷🇺Химический элемент (символ O), бесцветный газ без запаха, необходимый для дыхания и горения, составляющий около 21% атмосферы Земли.
🇪🇸Elemento químico (símbolo O), gas incoloro e inodoro, esencial para la respiración y la combustión, que constituye aproximadamente el 21% de la atmósfera terrestre.
🇫🇷Élément chimique (symbole O), gaz incolore et inodore, essentiel à la respiration et à la combustion, constituant environ 21 % de l'atmosphère terrestre.
🇩🇪Chemisches Element (Symbol O), farbloses, geruchloses Gas, das für Atmung und Verbrennung notwendig ist und etwa 21 % der Erdatmosphäre ausmacht.
🇵🇹Elemento químico de símbolo O, gás incolor e inodoro essencial à respiração e à combustão, que constitui cerca de 21% da atmosfera terrestre.
🇨🇳一种化学元素（符号 O），无色无味的气体，是呼吸和燃烧所必需的，约占地球大气的21%。
🌐عنصر كيميائي رمزه O، غاز عديم اللون والرائحة ضروري للتنفس والاحتراق، ويشكل نحو 21% من الغلاف الجوي للأرض.

Chemical element B1 formal scientific
A colorless, odorless, tasteless gas that makes up about 21% of the Earth's atmosphere and is essential for respiration and combustion.
- Humans need oxygen to survive.
- Plants produce oxygen during photosynthesis.
- The fire needs oxygen to keep burning.
🇨🇳化学元素
Medical therapy B2 formal medical
Supplemental oxygen administered to patients with breathing difficulties or low blood oxygen levels.
- The patient was placed on oxygen after the surgery.
- She uses an oxygen tank at home for her lung condition.
- The paramedics administered oxygen to the accident victim.
🇨🇳氧疗

oxygens plural form
oxygens' possessive plural form
oxygen's possessive singular form