n(1)(链条的)一环，环节(ring of a chain;point or stage in series of events)[C]：The bracelet is formed of silver～s. 这个手镯是由一个个银环构成的。a strong/a weak～结实的一环/薄弱环节;an important～in the chain of development 发展过程中的一个重要环节;the key～关键环节;a/the missing～(完成一系列事物或解决难题)所缺少的中间环节;设想中介于类人猿与人之间的动物;One～broken，the whole chain is broken.(prov) 一环脱，全链断。

(2)联系(anything connecting two things)[C]：establish/form a～between A and B 在A与B之间建立联系;keep/maintain close～s with... 与……保持密切的联系;remove/sever a～with... 割断与……的联系;commercial/cultural/diplomatic～s 商业/文化/外交方面的往来;a～between smoking and lung cancer 吸烟与肺癌之间的联系;Old friends are a～with the past. 老朋友们使人联想起过去。He was a～-man between the workers and the management. 他是工人与管理层之间的联系人。〖同〗tie，connection;

vt连接，联系(join;connect)[T+n，T+n+prep(with/to)，Tn+n+adv(up/together)]：～hands to make a circle 手拉手围成一圈;～one's arms in his/hers 用手臂挽着他/她的手臂;The two cities were～ed by a railway. 一条铁路把这两个城市连接起来。a canal～ing the Pacific with/and the Atlantic oceans 一条将太平洋与大西洋连在一起的运河;The welfare of the whole nation is closely～ed with industry.全民福利与工业紧密相连。～the TV camera to a computer 将电视摄像机与计算机相连;These events are～ed to each other. 这些事件相互牵连。be～ed together by common interest 被共同的利益联系在一起;～up theory with practice 把理论和实践联系起来;They～ed up the two areas by telephone.他们用电话把两个地区连接起来。〖同〗unite，relate;〖反〗separate;

link up (v adv)结合，合并(vi)：The two families～ed up through the marriage of their children. 那两户人家因子女的婚姻而联系在一起了。The two firms will～up. 那两家公司将合并。

→′linkage n 联系(接);′linkman n 节目主持人;′link-up n 连接，结合;

【辨异】link与bond和tie的区别见BOND。