dryline；

[例句] 它们接到了干线上。 They plug into the mains.

[例句] 在干线公路上,交通往往十分拥挤. Vehicles often bunches on the big highways.

（两个地区分界的线） boundary line，dividing line，threshold，borderline；

[例句] 他们用白漆标出了网球场的界线. They marked out the tennis court with white paint.

[例句] 界线在地图上区分得很清楚. The boundaries are clearly marked off on the map.

metal wire，tinsel，wire，wire line ；

[例句] 把金属线拉紧,然后把两头捻紧. Pull the wire tight and then twist the ends round.

[例句] 把这条金属线拉得很细才行. Draw out the wire until it is very thin.

blasting fuse，powder train，a small incident that touches off a big one，the direct cause of an event，fuse；

[例句] 这场口角看来是彻底破裂的导火线. The last of these rows seems to have been the last straw.

[例句] 连一句话也是一条导火线. Even a words are also a fuse.

route，itinerary，line，way，channel ；

[地] meridian (line) ；

[例句] 在同一子午线上的地方都有相同的经度. All places on the same meridian have the same longitude.

[例句] 子午线轮胎有助于更好地控制汽车. Radials can help give a car better control.

isotherm，isothermal，isothermal curve，isothermal line ；

[例句] 吸附等温线是平衡方程式. The absorption isotherms are equilibrium equations.

[例句] 染料吸附可以用多层吸附等温线来描述. Dye adsorption can be described by a multilayer adsorption isotherm curve.

line of demarcation，boundary，separatrix，divide，division ；

[例句] 有一道篱笆在她和我的土地之间形成了分界线. A hedge forms the division between her land and mine.

[例句] 一条河流成了两国的分界线. A river forms the boundary between the two countries.

[电] stub ；

[例句] 目前资金介入迹象比较明显, 短线 可重点关注. At present, more obvious signs of financial intervention, to focus on short - term .

[例句] 江恩 短线 精灵两次对该股发出入场信号. Gann wizard short - term stock issued by the admission of two signals.

front，frontline，battlefront，front line，[电影]Frontier；

[例句] 前线的防务得到后备装甲部队的支援。 These front-line defences are backed up by armoured units in reserve.

[例句] 沿整个前线已部署了坦克。 Tanks have been deployed all along the front line.

clue，thread，clew，handhold，key ；

[例句] 就是那个线索帮我们最终解决了问题。 That was the clue which clinched it for us.

[例句] 警方认为那盘录像带可能录有能确认凶手身份的一些重要线索。 The police think the videotape may hold some vital clues to the identity of the killer.

base line，[计] baseline ；

[例句] 在原理上用一条基线就能满足计算的要求. A single base might in principle suffice for computation.

[例句] 这个数字并不适用于一切基线尺. Such figures are not applicable to all wires.

floss for embroidery，[方]knitting wool，wool ；

[例句] 她买一条绒线编织的裙,寄给了德纳第. She purchased a knitted petticoat and sent it to the Thenardiers.

[例句] 采购产品丝, 丝织物,帐, 提花机, 绳绒线帐和室内装潢品. Silk , Silk Fabric, Curtains, Jacquard , Dhobby, Chenille Curtains and Upholstery EmbroiderySilk.

paying off ；

[例句] 放线杆菌病通常是一种散发性疾病, 但偶尔也有高的发病率. Commonly a sporadic disease, actinobacillosis occasionally occurs in high incidence.

[例句] 放线杆菌病是在软组织中呈隐袭性发生的. Actinobacillosis develops insidiously in soft tissues.

geodesic curve，geodesic，geodesic line （大地测量用） ；

[例句] 1728年,奥伊勒绘出了曲面上测地线的微方程. In 1728 Euler gave differential equations for geodesics on surfaces.

[例句] 提出了一种基于测地线的多边形网格模型的约束变形方法. This paper presents a geodesic - based constrained deformation method for polygonal mesh models.

junction line，relay line，trunk line，trunks ；

[例句] 一种中继线,在任意一端均可占用. A trunk that can be seized at either end.

[例句] 链路: 节点间的支路, 称为中继线. Links: the branches between nodes, referred to as trunks.

lead，[化] wire，[医] guide line ；

[例句] 它正用它的长嘴撞击着铁丝导线, 他想. He is hitting the wire leader with his spear, he thought.

[例句] 在导线测量中, 下午对向观测垂直角应该是容易安排的. In a traverse, afternoon reciprocal angles should be easy to arrange.

suture (line) ；

[例句] 缝线是一种异物,但是一种在手术中必要的附属品. Sumres are foreign bodies but a necessary adjunct in surgery.

[例句] 成虫可穿破缝线或引起胆管或胰腺管阻塞. The Ascaris adults may perforate a suture line or cause a bile or pancreatic duct obstruction.

sweep，outline，borderline，curve，contour line ；

[例句] 纽约的空中轮廓线 the New York skyline

[例句] 王子斥责土地开发商破坏了伦敦市建物映在空中的轮廓线之美. The prince vituperated against the developers for ruining London's skyline.

graticule，reticule ；

[例句] 很多运河是按照地图上的坐标线开凿的。 Many canals were built along map grid lines.

[例句] 介绍了热熔型道路标线涂料的组成及其施工方法. Composition and application of thermoplastic marking paint are introduced.