Densitometry
n. 測光密度術, 顯微測密術
?? 醫學釋義
密度測定法
??? 情景例句
Oh, it must be Alexandra.
一定是Alexandra。
So far I have been learning about England.
到目前為止，我一直在研究有關英格蘭的事情。
From a heavy gun that was raised, the captain realized that the ship must have been a cruiser.
從撈起的一門大炮來看，船長認為那艘船一定是艘巡洋艦。