| 单词 | 子结构 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Bohr theory〕An early model of atomic structure in which electrons travel around the nucleus in a number of discrete stable orbits determined by quantum conditions.玻尔理论：早期关于原子结构的模型，在其中电子在由量子条件决定的为数众多的分离的稳定轨道上围绕原子核运行美国传统〔acyclic〕Chemistry Having an open-chain molecular structure rather than a ring-shaped structure.【化学】 无环的：具有开链分子结构的，而非环状结构的美国传统〔allotropy〕The existence, especially in the solid state, of two or more crystalline or molecular structural forms of an element.同素异形现象：一种元素中有两种或更多的晶体或分子结构形式，特别是以固态存在的现象美国传统〔beta〕The second position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.第二位，β位：有机物分子结构中位于距指定碳原子的第二个位置，在此位置上原子或原子团可被取代美国传统〔capsule〕The thin-walled, spore-containing structure of mosses and related plants.荚膜孢蒴：指苔藓及与其有关植物的壁薄含孢子结构美国传统〔chiral〕Of or relating to the structural characteristic of a molecule that makes it impossible to superimpose it on its mirror image.对掌性的，手征性的：一种特征为不能和自身的镜像重叠的分子结构或与之相关的美国传统〔comma〕Abbr. com.Grammar A punctuation mark (,) used to indicate a separation of ideas or of elements within the structure of a sentence.缩写 com.【语法】 逗号：一种标点符号（,），用于表示句子结构内思想或要素的分开美国传统〔constitute〕Correct grammar and sentence structure do not in themselves constitute good writing.正确的语法和句子结构本身并不能构成一篇好文章美国传统〔constitution〕What is the molecular constitution of the chemical? 这种化学品的分子结构是什么？韦氏高阶〔construction〕The chairs were light in construction yet extremely strong.这些椅子结构轻巧, 但很牢固。外研社新世纪〔massacre〕Words were misspelled and syntax massacred.单词拼错,句子结构也乱七八糟。英汉大词典〔monocyclic〕Chemistry Having a molecular structure with only one ring.【化学】 单环的：只有一环的分子结构美国传统〔operator〕A chromosomal segment of DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor.DNA中的染色体元素：DNA中的染色体，它是通过与一特殊的约束因子相互作用而控制遗传子结构基因的行为美国传统〔optical activity〕A property caused by asymmetrical molecular structure that enables a substance to rotate the plane of incident polarized light.旋光性：由不对称分子结构引起的特性，它能使物质旋转产生极光美国传统〔pillar〕Such a structure or one similar to it used for decoration.台柱：用于装饰的类似柱子结构或支柱美国传统〔pump〕Physiology A molecular mechanism for the active transport of ions or molecules across a cell membrane.【生理学】 泵：使离子或分子主动穿过细胞膜的分子结构美国传统〔quantum mechanics〕Quantum theory, especially the quantum theory of the structure and behavior of atoms and molecules.量子力学：量子理论，尤指原子及分子结构与运动的量子理论美国传统〔rearrangement〕As students of chemistry know, even small rearrangements of a molecule's structure can produce a compound that acts differently.学化学的学生都知道，分子结构哪怕有很小的变动，都会产生新的引起不同化学反应的化合物。剑桥高阶〔side chain〕An organic molecular structure in the form of a branched open chain or ring.侧锁，侧链：为分支开链或开环形式的有机分子结构美国传统〔straight chain〕An organic molecular structure in the form of an unbranched open chain.直链：由无分支的开放的链构成的有机分子结构美国传统〔structural〕The building is structurally sound.这座房子结构完好。牛津高阶〔structure〕They studied the compound's molecular structure.他们研究了这种化合物的分子结构。韦氏高阶〔subatomic〕Having dimensions or participating in reactions characteristic of the constituents of the atom.亚原子的：具有亚原子结构之尺寸的，参与亚原子结构之反应的美国传统〔superhelix〕A molecular structure, as of a protein or DNA, in which a helix is itself coiled into a helix.超螺旋：如蛋白质或DNA的一种分子结构，在这种结构中一个螺旋线交缠在另一个螺旋线中美国传统〔treillage〕Latticework, especially a trellis for a vine.棚架：格子，尤指用于支撑葡萄的格子结构美国传统〔trelliswork〕Latticework.格子结构美国传统〔trellis〕A structure of open latticework, especially one used as a support for vines and other creeping plants.格子结构：一种露天的格子结构，尤指用来作支撑葡萄或其它植物用的格子结构美国传统〔trellis〕An arbor or arch made of latticework.格子架：用格子结构组成的凉亭或拱廊美国传统〔unsound〕The houses are structurally unsound .这些房子结构不稳固。朗文当代As students of chemistry know, even small rearrangements of a molecule's structure can produce a compound that acts differently.学化学的学生知道，即使一个分子结构的小变动也会产生一种反应不同的化合物。剑桥国际In writing poetry one is unfettered by the normal rules of sentence structure.写诗歌时, 人们并不受正常句子结构规则的限制。剑桥国际The president's utterances, with their twisted syntax, missing nouns and pronouns, have long been a source of amusement.董事长讲起话来句子结构拗口，缺漏名词和代词，一向是引人发笑的材料。剑桥国际 |
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