物质和意识形态上的障碍在东欧都已减少。
Physical and ideological barriers had come down in Eastern Europe.
密度小的物质向上浮动并形成一层皮。
绝对没有确保香烟不含有毒物质的规定。
There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances.
自然哲学涉及到了对包括有生命体与无生命体的物质世界的全面研究。
Natural philosophy involved the study of all aspects of the material world, animate and inanimate.
早期地球含有丰富的放射性物质。
星际物质很像地球上的云，形状大小各异。
The interstellar material, rather like terrestrial clouds, comes in all shapes and sizes.
铱存在于陨石和火山物质中，但在火山物质中同时包含高浓度的镍和铬。
Iridium occurs in meteorites and volcanic material, but in the latter case it is accompanied by elevated levels of nickel and chromium.
物质和现在更奇特的反物质将几乎没有空间相互回避。
Matter and the now more exotic anti-matter would have had little space to avoid each other.
玉米淀粉和少量水混合后产生的粘稠物质就是这种物质的常见例子。
The gooey substance produced by mixing cornstarch with a little water is a commonplace example of such material.
这个过程被称为“置换”，因为溶液溶解了原来的物质，并用等量的新物质取而代之。
This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.
瀑布是由熔岩和火山物质构成的。
为了解释这一点，他们假定银河系一定包含了大量无法探测到的不明物质。
To explain this, they hypothesize that galaxies must contain a great deal of missing matter which cannot be detected.
质子是带正电荷的物质的基本粒子。
A proton is an elementary particle of matter that possesses a positive charge.
蜂胶是蜜蜂用植物汁液合成的像树脂一样的坚硬物质。
Propolis is a hard resinous substance made by bees from the juices of plants.
活的有机物以某种方式随其生命过程聚集了矿物质。
The living organisms somehow concentrated the minerals by biological processes.
河水中的化学物质含量不容忽视。
香水和皮肤的天然化学物质相互作用。
在她第一本书中，她解释了植物纤维、维生素、矿物质和其他重要营养物质的作用。
In her first book she explained the role of vegetable fibres, vitamins, minerals, and other essential nutrients.
重工业排放的有毒化学物质污染着我们的河流。
空气中弥漫的化学物质熏得我们的眼睛火辣辣地痛。
科学家们声称已经发现某些植物产生的化学物质有强大的抗癌功能。
Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties.
测试显示水中污染物质的含量很高。
防护手套可以减少皮肤对化学物质的吸收。
Protective gloves reduce the absorption of chemicals through the skin.
不是每天都能遇见一个不着迷于物质财富的商人。
It is not every day that one meets a businessperson who is not obsessed with Mammon.
它们的确是星云物质组成的团块，其组成物质可能与行星形成时的物质相似。
They are truly lumps of nebular matter, probably similar in composition to the matter from which planets were assembled.
我们可以根据物质的特性把一种物质与另一种物质辨别开来。
We can distinguish one kind of substance from another by its properties.
因为有更多的物质，碰撞很快耗尽了所有的反物质，只留下足够的物质来创造恒星、行星和我们人类。
Because there was slightly more matter, the collisions quickly depleted all the anti-matter and left just enough matter to create stars, planets and eventually us.
最近的一项研究似乎指出了一个事实，当物质和反物质最初被创造出来的时候，有更多的物质粒子，这使得我们生活的宇宙得以形成。
A recent study seems to point to the fact that when matter and anti-matter were first created, there were slightly more particles of matter, which allowed the universe we all live in to form.
岩石物质从地球内部的裂缝处向上流动，迫使海底向两边分开，为新的岩石物质腾出空间。
The rock material flows up from Earth's interior here, at the split, which forces the two sides of the ocean floor to spread apart, to make room for the new rock material.
岩石物质从地球内部的裂缝处向上流动，迫使海底向两边分开，为新的岩石物质腾出空间。
The rock material flows up from Earth's interior here, at the split, which forces the two sides of the ocean floor to spread apart, to make room for the new rock material.
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