Nitrogen requirement
[医] 需氮量
🧩 词语组成解析
requirement
[rɪ'kwaɪɚmənt]
n. 要求;必要条件;必需品，需要量;资格;
re 再，重复 + quir 寻求，询问+ e + ment表示行为、行为的过程或结果 → n.需要；要求
🗣️ 情景例句
This whole place is heavenly.
这整个地方都太美好了。
Help the dog over the stile.
助人度过难关。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。