nitrogen
/ˈnaɪ.tɹə.dʒən/
B1 · Intermediate★★☆☆☆
Simple Meaning
一种无色无味的气体，占我们呼吸空气的大部分。
When to Use
📚Academic Writing⚙️Technical
Intermediate — can handle common situations
Examples in Conversation
“植物需要氮才能良好生长。”
“空气中大部分是氮气，而不是氧气。”
Learning Path
▶Full Definition
The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.