瀑布是由熔岩和火山物质构成的。
岛屿是由堆积的泥土和杂草以及湖底的物质构成的。
Islands are made from packed earth and weeds and material from the bottom of the lake.
一切物体都是由某种物质构成的。
不同的原料由不同的化学物质构成，当你把它们放在一起加热烹煮时，其中的化学物质会变成新的化学物质，不同的成分会产生新的东西。
Your different ingredients are made of different chemicals, and when you put them together and make them hot and cook them, the chemicals change into new chemicals and the different ingredients make something new.
人造骨和蛋壳是很好的建筑材料，因为它们由蛋白质和矿物质构成。
Artificial bone and egg shells make good building materials due to their makeup of proteins and minerals.
土壤是由各种化学物质构成的。
这些比较告诉我们，土星由较轻的物质构成。
These comparisons suggested that Saturn is made of lighter materials.
泊松比是推测地球内部物质构成的有效参数之一。
Boisson's ratio is one of the effective parameters to deduce material composition of the earth interior.
反物质是由那些常态物质构成的反粒子组成的物质。
Antimatter is matter that is composed of the antiparticles of those that constitute normal matter.
宇宙间存在两种物质：普通物质，恒星也即由这些物质构成；
There are two types of matter in the universe: ordinary matter, including the material that makes up stars.
而相应的物质构成对分析大陆地壳演化的过程具有重要意义。
It is of important signification to analyse the process of the continental crust evolve with relevant material composition.
土卫十六密度较低，科学家因此推断它可能由多孔冰物质构成。
Its low density has led scientists to speculate that it may consist of porous, icy material.
这个原始的管状结构，由纤维素和非纤维物质构成，称作初生层。
This initial layer formed of both cellulosic and non cellulosic materials is called the primary wall.
这个原始的管状结构，由纤维素和非纤维物质构成，称作初生层。
This initial layer, formed of both cellulosic and noncellulosic materials, is called the primary wall.
椎间盘的中央部分由牙膏样的浓稠物质构成，要比外层柔软的多。
The central part of the disk has the consistency of thick tooth paste; it is much softer than the outer part.
但是科学家说，我们的宇宙并不是由星星组成的，而是暗物质构成的。
But scientists say most of the universe is composed not of stars but of dark matter.
而暗物质是一种我们看不到的神秘物质，却明显能对普通物质构成影响。
And dark matter: that mysterious stuff we can't see but that clearly affects ordinary matter.
铜合金铜与锡、锑、磷或其物质构成的一种合金，含锡，也可不含锡。
Any of various alloys of copper, with or without tin, and antimony, phosphorus, or other components.
我们会说泥块“构成”了雕像，但是，“物质构成”的关系是什么关系？
We might say that the lump constitutes the statue, but what is this relation of material constitution ?
因为土星环几乎纯粹由水冰构成-而外太阳系的物质构成通常是冰岩混合物。
Because the rings are almost pure water ice-and material in the outer solar system is generally an ice-rock mix.
研究小组发现，海山陡峭的侧翼局部由多孔的火山物质构成，这正是其脆弱和不稳定的诱因。
The team found that parts of the seamount's steep flanks were made of porous volcanic material, leaving them weak and unstable.
另外一种糖精在1879年就出现了。它是由葡萄中的一种含甲基的物质构成的。
Saccharin, which has been around since 1879, is made from methyl anthranilate, a substance in grapes.
但是这并不意味着我们所理解的生命不会存在，它们只是由被不同法则所支配的物质构成。
But that doesn't mean that life as we know it can't exist, it's just composed of matter governed by different laws.
暗物质构成了大部分的总质量，并主宰了集群的引力透镜，或从光线弯曲的背景星系因引力。
The dark matter makes up most of the total mass, and dominates the gravitational lensing of the cluster, or the bending of light from background galaxies due to gravity.
有三个环围绕着土星，它们由亿万片冰物质、岩石、和金属物质构成，它们都有美丽的颜色。
There are three large rings around the planet which are made up of billions of pieces of ice, rock, and metal, all in beautiful colors.
地震观测是了解地球内部物理状态的直接手段，通过一些弹性参数可以推测地球内部的物质构成。
Seismic measurement is a direct method for understanding the physical condition of earth interior, and material composition of the earth interior may be deduced by some elastic parameters.
我国的海岸类型，按地面物质构成不同，可概括为基岩海岸、砂砾质海岸、淤泥质海岸和生物海岸；
The coastal types of China, according to the composing matter of ground, could be generalized into the coasts of rock estuary, sand, mud-deposition and biogenic coast.
我国的海岸类型，按地面物质构成不同，可概括为基岩海岸、砂砾质海岸、淤泥质海岸和生物海岸；
The coastal types of China, according to the composing matter of ground, could be generalized into the coasts of rock estuary, sand, mud-deposition and biogenic coast.
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