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
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
Didn't I see you in the play The Master Builder?
你没有出演《彪拉老师》的舞台剧吗？
Two heads are better than one.
人多智广。