Nitrograph
氮气浓度含量测定器
🏥 医学释义
氮气浓度测定仪
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
Beauty lies in lover's eyes.
情人眼里出西施。
There was a big smile on her face.
她脸上充满笑容。