nitrogen
🇺🇸
/ˈnaɪtrədʒən/
🇬🇧
/ˈnaɪtrədʒən/
A gas that makes up most of the air we breathe.
Plants need nitrogen from the soil to grow healthy and strong.
植物需要從土壤中獲取氮氣才能健康茁壯地生長。