density: n.1.稠密；浓厚。2.【物理学】浓度；密度；比重。3.愚钝，昏庸。短语和例子traffic density 交通量。 the density of population 人口密度。
Example Sentences:
1.
Mean sea level variations are caused by the changes of sea water density and global ocean mass , it is an important content of studying global climate change 摘要海平面变化是海水密度和海水总质量变化的结果，是全球气候变化研究的重要内容之一。
