Level 5 · word 6,037 of 20,000
nitrogen
/ˈnaɪtrədʒən/
American
- n. 氮, 氮气
- Definition
- n. a colorless gas that makes up most of the air
- Example
- Plants need nitrogen from the soil to grow strong and green.
- 植物需要从土壤中吸收氮才能长得茁壮翠绿。
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