Densitometer
n. 光密度计\\n[计] 密度计
🏥 医学释义
①密度计，浓度计 ②细菌（生长）密度计
🗣️ 情景例句
Ask Paul Smith to fill in for me.
叫Paul Smith代替我出席。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。