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Because the earth is made of iron, heaven knows everything is made of the same stuff, all heavenly bodies.
因为地球是由铁构成的，上帝知道一切,世间万物是由同一东西组成的，即天体。
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What's hanging off of the side of this long molecule that's formed by polymerizing nucleotides are - is this base unit.
在这条由多聚核苷酸,构成的长链分子,一侧悬挂着碱基单位
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And the rest of this thing, this is just a cheap piece of molded plastic.
其他的部分是由,便宜的模塑塑料构成。
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What makes up a rope? Of course you know, ropes are basically bundles of fibers, very same fibers that have been woven together in a certain way.
绳子是由什么构成的？，你肯定知道，是由一束束纤维构成，是由一样的纤维按某种方式编织,在一起构成。
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Relative importance given to these different things, there's 20% for your homework, 30% for the Midterm, which will be sometime in October, and 50% for the Final.
这门课的成绩会由以下几部分构成,平时作业占20%,期中考试占30%,期中有时在10月份考,期末考试占50%
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Music is a language and it is made up of a syntax, and syntax, you know, consists of phrases and the order in which those phrases occur.
音乐也是一种语言,由句法构成,而句法,你们知道的,就是乐句组合,以及这些乐句的组合顺序
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So, what's happening is your id is sending up all of this weird, sick stuff, all of these crazy sexual and violent desires, " "Oh, I'll kill him.
而你的本我则由赤裸裸的原始欲望构成，包括了疯狂的性欲和攻击欲，如“我要杀了他。
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One is that cells form tissues that are mechanically intact, they have mechanical integrity because they can adhere to one another.
一是具有机械完整性的组织是由细胞构成,组织之所以具有机械完整性,是因为细胞能够互相黏附在一起
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A string is just a sequence of characters.
一个字符串是由一系列字母构成。
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organ systems like the cardiovascular system are made up of tissues.
器官系统如心血管系统等,由组织构成
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Something that's not composed of molecules and atoms.
一个不是由分子原子构成的某物
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Something that's not a material object.
一个不是由物质实体构成的东西
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The innate immune system composed of neutrophils and macrophages; these are cells that are crawling around your body all the time ready to eat bacteria.
它由嗜中性粒细胞和巨噬细胞构成,这些细胞不断在周身蠕行,准备吞噬细菌
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A polymer is just a large molecule that's made up of repeated units.
聚合物就是由,重复单位构成的大分子
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So what's going to form the backbone is this continual link, phosphate to sugar, phosphate to sugar, phosphate to sugar, all linked together to form one long, long molecule.
主链是由这样重复的连接构成的,从磷酸到戊糖,周而复始,所有这些连接起来构成一个长链分子
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Each of us has something like 10^14 cells.
我们每个人都由约100万亿个细胞构成
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Now that's not the only thing in cell membranes, there are also proteins in cell membranes, and these proteins are special proteins that can exist within membranes like this, and they exist because these proteins also have different segments with different properties.
但细胞膜并不只由磷脂构成,细胞膜里还有蛋白质,而且这些蛋白质是一些,可以在细胞膜中存在的特殊的蛋白质,而这些蛋白质存在于细胞膜中,源于它们也有溶解性不同的片段
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Every unit in the backbone of this ladder has the same sugar unit, the same pentose; it's either RNA or DNA and has ribose or deoxyribose, so you don't need to describe the whole thing.
主链的每个单位,都由相同的糖单位构成,同样的戊糖,RNA里是核糖,DNA里是脱氧核糖,所以你不需要所有细节都描述
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