oxygen
/ˈɒksɪdʒən/
A2 · Elementary★★★★★
Simple Meaning
空气中人和动物呼吸生存所需的气体
When to Use
💬Daily Conversation📚Academic Writing⚙️Technical
Elementary — simple everyday language
Examples in Conversation
“植物为我们提供氧气，所以我们应该爱护它们。”
“医生说我需要更多氧气，于是给了我一个面罩。”
Learning Path
▶Full Definition
The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas.