tie line，link line，lead-in wire，call wire ；

[例句] 通常把交通网描绘成一系列的节点和节点之间的联络线. The transportation network is described as a series of nodes and connecting links.

[例句] 提出了一种新颖的阻尼 联络线 低频振荡的UPFC两阶段控制方案. This paper proposes a novel two - stage control scheme of UPFC for damping tie - line low frequency oscillation.

lifeline，lifeblood，[电影]Line of Life；

[例句] 渡船是苏格兰边远地区的生命线。 Ferries are a lifeline to the far-flung corners of Scotland.

[例句] 煤炭和钢铁曾是这个地区的生命线。 Coal and steel were the region's lifeblood.

arc ；

[例句] 他的传球在阴沉的天空中划出了一道完美的弧线。 His pass described a perfect arc through the leaden sky.

[例句] 彩虹在小城上空画出了一道优美的弧线。 A rainbow arced gracefully over the town.

threading，braiding ；

[例句] 绑线: 在吊牌 、 月历或书签等上面穿线打结. Cording: To insert or tie cord on hanging cards, calendars , book - mark, etc.

[例句] 它的穿线过程很复杂,要用三个线轴. It has an elaborate threading process that uses three spools of thread.

horizon，level，horizontal line，waterline，horizontal；

[例句] 他们的生活水平勉强在最低水平线以上. They were living barely above the level of subsistence.

[例句] 海港的灯火在水平线上闪烁着. Harbour lights were blinking on the horizon.

a reel for thread，bobbin，a reel of thread，a spool of thread，spool ；

[例句] 一种棘齿装置把线从线轴转到梭心上。 A ratchet mechanism transfers the thread from spool to bobbin.

[例句] 操作杆进一步弯曲，线轴发出刺耳的吱吱声。 The rod bent double, the reel shrieked and ratcheted.

wire jumper，jumper，bridle wire，jumper wire ；

[例句] 电光一闪是跳线. A flash of lightning is electricity jumping.

[例句] 剪掉(切断,停止)控制板上绿色跳线. Cut the GREEN jumper wire on the Control board.

gutstring，catgut，snare，gut，catling ；

[例句] 目的比较快薇乔缝线和铬制肠线加丝线在会阴切口缝合后的临床效果. Objective To compare the clinical effect between Vicryl Rapide and catgutCat - gut and thread after episiorrhaphy.

[例句] 生活在繁密的草原的牛能生产更好的天然肠线 么 ? Do cows raised in climates that produce lush pastures produce better natural gut?

[医] lineae transversae，transverse line ；

[例句] 在这几页上同时画上横线和竖线,以便制作图表. Line the pages for the graph both horizontally and vertically.

[例句] 图上部的横线段表示陆地. The bars across the top of the figures show the land area.

a ball of string，a reel of thread，clew，knob ；

[例句] 猫把线团儿弄乱了. The kitten tangled the ball of yarn.

[例句] 她从线团上解下丝线来. She wound off the silk from the ball.

cotton thread，cotton ；

[例句] 把这条特制的棉线嵌在牙齿间,然后轻轻地上下移动. Insert the special cleaning thread between your teeth and pull it gently up and down.

[例句] 她用棉线把纽扣缝上. She sewed the buttons on with cotton.

[光] [电] line width ；

[例句] 通过分析采集的数据, 得到线宽. By analyze the data acquired , we can get beam line width.

[例句] 我没试过你填入负的线宽是什么效果, 你试了告诉我一下. Please try the arc, and see what, and tell me.

midline，[医] intermediate line ；

[例句] 南北线穿过时针和十二点的中间线. The north - south line ran midway between the hour hand and 12 o'clock.

[例句] 日方坚称以中间线划界. Japan claims its boundary as the median line.

leptonema，leptotene，threadlet，filament ；

[例句] 他用胶水 、 细线 、 洋蜡和许多电线把这些东西安装在一起. All these he fixed together with glue, string, wax and many wires.

[例句] 超细线径有效降低风阻提供旋转控制. The thin profile promotes improved aerodynamics and spin control.

stringing ；

[例句] 唐荣制柴油动力架线测试车,苏澳站. A power line testing vehicle at Su - Ao Station.

[例句] 在输电线路施工中, 弧垂观测是架线分部工程中重要的控制项目. During transmission line construction, sag observation is an important control item of stringing.

[法] cordon，picket line ；

[例句] 他在突破警戒线后被一名警察拦截了。 He was rugby tackled by a policeman after breaking through police lines.

[例句] 一列拖拉机突破了警戒线，隆隆响着驶上了高速公路。 A line of tractors rumbled onto the motorway through a cordon of police.

[航空； 航海] line of position，position line ；

transit ；

[例句] 三条运输线为交易会服务. Three transportation lines will serve the fair.

[例句] 其外层环带还有沟通树冠和树根的运输线. The outer zones are the conducting routes between the crown and the roots.

[医] blue line，Burton's line，Burton's sign，lead line ；

[例句] 他喜欢在华兹区第103大街下公交车转乘地铁蓝线。 He likes to transfer from the bus to the Blue Line at 103rd Street in Watts.

[例句] 这些盘子边缘上有一道蓝线. The plates have a blue stripe round the edge.

[天] date line，dateline，international date line ；

[例句] 我们正越过国际日界线. We are crossing the international date line.

[例句] 当他越过日界线时,要从他的日历上减去一天,才能得到补偿. When he crosses the line he subtract a day from his calendar in order to compensate.