oxygen
🇬🇧 UK/'ɒksɪdʒ(ə)n/🇺🇸 US/'ɒksәdʒәn/
TOEFLB1
Definitions
n.
A colorless, odorless chemical element (symbol O, atomic number 8) essential for life and combustion, making up about 21% of the atmosphere
氧,氧气
🧩 Root Breakdown
Root-derivedCommon Collocations
- 1.oxygen supply氧气供应
- 2.oxygen tank氧气筒
- 3.oxygen levels氧气含量
Example Sentences
- 1.
Plants produce oxygen through the process of photosynthesis.