[医] cyclic，annular ；

[例句] 主要神经环的组织原已有详细描述. The histology of the main nerve rings has been described in detail.

[例句] 它仍然是在反应中生成过渡状态的杂环的实例. It represents an example of a heterocycle being formed as transient species.

[化] cyclobutane，diethylene ；

[例句] 在1,2--二亚甲基环丁烷中并不发生这种现象. This phenomenon does not occur with 1 - 2 - dimethylenecyclobutane.

[例句] 环丁烷主要成 “ 蝶式 ” 构象存在. Cyclobutane exists predominantly in a " butterfly " conformation.

[化] carboatomic ring，carbocyclic ring，[医] homocyclic ring，isocyclic ring ；

[例句] 石墨层中的碳原子相互连接形成碳环。 In graphite sheets, carbon atoms bond together in rings.

[例句] 可分离的碳环化合物环内含七个或七个以下的碳. Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.

[电] base ring ；

[例句] 这种反应构成了制备芳基环丙基乙炔的有效方法. This sequence constitutes an efficient method for preparing arylcyclopropylacetylenes.

[例句] 通过选择性氧化,将水溶性优良的羟丙基β环糊精转化为丙酮基羟丙基β环糊精. Water soluble hydroxypropyl � � cyclodextrin was converted to acetonyl hydroxypropyl � � cyclodextrin via selective oxidation.

[医] cerclage ；

[例句] 巩膜环扎术或玻璃体切除联合巩膜加压术是主要手术方法. The main surgery was scleral buckling or vitrectomy combined scleral buckling.

[例句] 螺钉固定联合环扎术并联合锁定系统仍然是争议的. Combining screw fixation with cerclage wires with a locking system remains controversial.

circumfluent ；

[例句] 其二是用于计算胶州湾环流的“海洋三维非定常斜压模型”具体介绍. Firstly , the numerical model of ocean dynamic characteristics is introduced.

[例句] 通过计算得出胶州湾环流的特点. Then the circulation characteristics of Jiaozhou Bay are calculated.

[医] hexamethylene ；

[例句] 结果表明, 苯乙烯、丙烯腈的加入能提高N- 环己基马来酰亚胺的反应活性. The results showed that the addition of St AN , the activity of CHMI was enhanced.

[例句] 通过锂试剂的方法,合成了三氟甲基苯基环己基酮化合物,反应产率达到60%. Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium reagent isand the yield of reaction is 60 %.

[化] cyclopentane，pentamethylene ；

[例句] 很多环戊烷的衍生物在这个范围也出现吸收. Many cyclopentane derivatives also absorb in this region.

[例句] 后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的. The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.

[化] cyclopentene ；

[例句] 报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物. In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - diphenyl - 3 - cyclopentene - 1 - one.

[例句] 2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯. Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.

environics，environmental science，environtology ；

[例句] 城市灰尘是城市环境学研究的对象之一. Urban dust constitutes an important problem in urban environmental science.

[例句] 这一计算方法不具有环境学和生态学方面的意义. The budgetary method doesn't have the meaning of environmental science and ecology.

[化] epoxy ；

[例句] 很多现代的木船将采用环氧涂层作底漆。 On many modern wooden boats, epoxy coatings will have been used as a base for varnishing.

[例句] 硅烷偶联剂亦用于许多通用的砂子环氧型复合材料中. Silane coupling agents are also used in many commercial sand - epoxy - type composites.

hexamethylene，hexanaphthene ；

[例句] 有机化学家接受了平均平面环己烷的理论. Organic chemists accepted the theory of the average planar cyclohexane ring.

[例句] 环己酮和过氧化物可用来化替过氧化环己酮. Cyclohexanone and peroxide may be used in place of cyclohexanone peroxide.

atoll lake，lagoon ；

[例句] 他正在环礁湖里与一只短吻鳄搏斗。 He was grappling with an alligator in a lagoon.

[例句] 鲸会迁移6,000海里左右，到温暖的环礁湖生殖繁衍。 The whales migrate some 6,000 miles to breed and calve in the warm lagoons.

[医]cinctus，encircled，girdled，rounding ；

[例句] 露西尔的家美其名曰城堡，事实上不过是一座壕沟环绕的大农场。 Lucille's home was very grandly called a chateau, though in truth it was nothing more than a large moated farm.

[例句] 我们的前面是一条缓缓流动的长河, 注入那隐约可见的芦苇环绕的湖泊之中. Before us stretched a vista of the sluggish river, ending in glimpses of a reed - fringed lagoon.

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[例句] 目的: 制备静脉注射用环孢素A亚微乳. Objective : To prepare cyclosporine A submicron emulsion for intravenous injection.

[例句] 用β环糊精制备了二氧化氯微胶囊. Chlorine dioxide microcapsules were prepared with � � - CD and chlorine dioxide.

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[例句] 灌入粘合剂或环氧基树脂到拍柄内. Insert a small amount of hot glue or epoxy into the handle.

[例句] 底漆可以是各种车间底漆 、 环氧类漆或环氧煤沥青类漆. Compatible with any shop primer, epoxy or epoxy - tar primers.

[医] band ；

[例句] 2避免吃过粘的食物,以免损坏托槽和带环. Sticky food should be avoided to minimize the damage to braces and bands.

[例句] 目的: 比较直接粘结颊面管与带环颊面管在直丝弓矫治技术中的临床应用. Objective : To compare the clinical effect of directly bonded and buccal tube in straight wire appliance.

arcus senilis，gerontoxon ；

[例句] 目的探讨角膜老年环与血脂 及 动脉硬化的关系. Objective To assess the relationship between arcus senilis and blood - fat & arteriosclerosis.

[建] cyclitol ；

[例句] 4,4’ - 二甲氧基-5,6, 5 ’, 6 ’ - 二次甲二氧基-2,2 ’ - 二甲氧羰基联苯 ( α-DDB ) 和双环醇具有明显的抗肝毒活性,能显著降低血清转氨酶水平. Dimethyl 4,4'- dimethoxy - 5,6 , 5 ', 6'- dimethylenedioxybiphenyl - 2,2'- dicarboxylate ( α - DDB ) and bicyclol exhibIt'significant antiheptotoxic activities and effectively lower the serum - transaminase level.

[例句] 结果双环醇有改善肝功能、降低血清转氨酶的作用. Results Bicyclol had the actions of improving the liver function and depressing aspartate transaminase.

[建] cyclopropyl ；

[例句] 这种反应构成了制备芳基环丙基乙炔的有效方法. This sequence constitutes an efficient method for preparing arylcyclopropylacetylenes.

[例句] 环丙烷基硅醚在卤化锌的作用下能够与硅胶反应生成环丙基醇. Trimethylsilyl cyclopropyl others can react with the gel the cyclopropanols when Lewis acid as ZnX 2.