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。