gather，assemble，[工] accumulation，congestion，collect ；

[例句] 生命体通过某种生物过程聚集矿物质。 The living organisms somehow concentrated the minerals by biological processes.

[例句] 绿色和平组织设法聚集起足够数量的小船在海上拦截该船。 Greenpeace managed to assemble enough boats to waylay the ship at sea.

get together，[化]polymerization，polymerize，[生]aggregation，converge ；

[例句] 这种物质聚合形成坚硬的塑料。 The substance polymerizes to form a hard plastic.

[例句] 枯松枝生起的篝火给这次聚合增添了随和、友善的气氛. A fire of withered pine boughs added sociability to the gathering.

[物] （使光或电子束等聚集于一点） focus，focusing，concentrate，focalize ；

[例句] 你的便携式摄像机应该具备以下基本功能：自动聚焦、回放功能、变焦镜头。 Your camcorder should have these basic features: autofocus, playback facility, zoom lens.

[例句] 这时所有的目光都聚焦在警方。 The eyes of the world were now on the police.

（聚集） assemble，flock together，[物] convergence，convergency ；

bunch，group，bunching，aggregation ；

[例句] 6月底到8月初，他们群聚在海滩上。 They throng the beaches between late June and early August.

[例句] 羊群聚在一起取暖. The sheep herded for warmth.

polytene，formale，polyethylene，polythene ；

[例句] 把好苹果放在有孔的聚乙烯袋中保存。 Keep good apples in perforated polythene bags.

[例句] 这种聚乙烯塑料应该可以挡一会儿雨. This polythene sheet should serve to keep out the rain for a while.

[物] pack (age)，bunching，beaming，beam bunching ；

[例句] 在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置. A ns pulse beam device is installed at pulse beam current piping.

[例句] 本文研究了聚束式合成孔径雷达目标特征提取算法. Analyzes target feature extraction algorithm via spotlight SAR.

[化] polyester，Yukalac，dion ；

[例句] 廉价是聚酯树脂受到欢迎的主要原因之一. Cheapness is one of the main attractions of polyester resins.

[例句] 将聚酯, 聚已酸乙稀酯从反应器中拿出来. The polyester , polythylene adipate, was removed from the reactor.

get together，meet，get-together，gathering，bee ；

[例句] “你一定要来参加廷斯利的毕业聚会。”——“我很乐意。” "You must come to Tinsley's graduation party." — "I'd be delighted."

[例句] 可怜的简对这次聚会真有些不知所措。 Poor Jane was in rather a spin about the party.

gather，accumulate，build up，accumulation，amass ；

[例句] 铅会在体内积聚直至造成铅中毒。 Lead can accumulate in the body until toxic levels are reached.

[例句] 我们如果不打扫房间,灰尘很快就会积聚起厚厚的一层. Dust quickly accumulates if we don't sweep our room.

accumulate，collect，build up，[物] coalescence ；

[例句] 周围的矿井里的确有沼气聚积。 Methane gas does collect in the mines around here.

[例句] 雨水聚积在几处洼地里. The rain collected in several depressions.

agglomerate，agglomeration，[化] coacervation，condensation，coherence ；

[例句] 云是由凝聚的水蒸气构成的. Clouds are formations of condensed water vapour.

[例句] 祈祷书为各信仰之间建起了足够灵活的联系纽带，以期将各个不同教派凝聚在一起。 The Prayer Book has provided a flexible enough nexus of beliefs to hold together the different church parties.

birdnesting，reunite，unite，rally ；

[例句] 她和亲生母亲团聚了。 She has been reunited with her natural mother.

[例句] 昨天晚上，她和她的子女团聚。 Last night she was reunited with her children.

[化] polymer，polymerizate，polymeric compound，polymeric substance ；

[例句] 这一聚合物的性质目前是个商业机密。 The nature of the polymer is currently a trade secret.

[例句] 聚合物及类似材料的价格会下降。 The prices of polymers and suchlike materials will decrease.

[物] [化] cohesion，coherence ；

[例句] 核心家庭的内聚性 the cohesion of the nuclear family

[例句] 根据目前为人们所接受的内聚压力的理论, 水是被拉到上面去的. According to the currently accepted cohesion - tension theory, water is pulled there.

dimerization ；

[例句] 它们都以二聚物或四聚物状态存在. They may be present as dimers or tetramers.

[例句] 方法对经临床确诊为肺栓塞患者测定其血浆D - 二聚体与纤维蛋白原浓度. Methods: The plasma fibrinogen and D - dimer in pulmonary embolism patients were measured.

inhabit a region (as an ethnic group)，live in a compact community ；

[例句] 纳戈尔诺-卡拉巴赫是阿塞拜疆境内亚美尼亚人聚居的一块飞地。 Nagorno-Karabakh is an Armenian enclave inside Azerbaijan.

[例句] 这是一片鳄鱼聚居的沼泽地. This is a crocodile - infested swamp.

cluster，clustering ；

[例句] 用于鉴定一些将要区分的聚群之方法通常称为 聚类 过程. Methods: Used to identify the clusters which should be distinguished are commonly called " clustering procedures ".

[例句] 这种算法结合密度聚类和层次聚类两种思想. The clustering method combines the density and the hierarchical clustering methods.

polycondensation，condensation polymerization ；

[例句] 此矩阵借方程缩聚. This matrix is condensed by the equation.

[例句] 缩聚催化剂会对聚酯后加工性能产生不良影响. Polycondensation catalyst may has bad effect on polyester afterprocessing properties.

homopolymerize ；

[例句] 针对目前世界上领先的Spheripol均聚PP生产工艺开发了全流程仿真培训系统. Developed an operator training simulator ( OTS ) for the worldwide leading Spheripol PP monopolymerization plant.

[例句] 各野生种及其变种类型均聚到了一起, 与传统的系谱基本一致. Finally all the wild apple species and their varieties clustered together, similarly to the traditional classification.