单词
density
读音
ˈdensəti
美式
英式
词根
"Den-" 是这个词的词根，来自拉丁词 "densus"，意为“厚或密”。我们可以看到其他由这个词根衍生出的词，例如 "condense" （浓缩）和 "dense"（密集的）。
释义
n. 密度 [ 复数 densities ]
例句
The region has a very high population density.
这一地区人口密度很高。
Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
木星的卫星木卫一全是岩石，其密度为每立方厘米3.5克。
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。
The region has a very high population density.
这一地区人口密度很高。
Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
木星的卫星木卫一全是岩石，其密度为每立方厘米3.5克。
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。
强化记忆
记住 "density" 这个单词，我们可以通过联想方法，例如，当我们想到“密度”时，就可以想象一个密集的场景，如人群密集，物质密度大等。这样就更容易记住 "density" 的意思。"Density" 这个词是在14世纪从拉丁词 "densus" 演变而来的，最初在中世纪的拉丁语文献中使用，为了描述物质的厚度，后来逐渐发展为描述物质的密度。
看视频学发音
which very few people talk about,is density.So as I mentioned earlier,
they live close to each other.Density helps.Now, e-commerce deliveries in the countryside,
CA: Aided perhaps a bit by being easier to isolateand by less density, less population density.But nonetheless, smart policies down there.
you go a few miles, one or two miles.Then, you go to medium density, low density and higher density again.So that creates a variety of environments,
we're measuring the magnetic field,the particle density,and we're basically exploring remotely.
所属分类
大学,出国,专升本-自考,程序员,其他
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