名 thread，string，[数]line，wire；

[例句] 埃利奥特跨过终点线时仅比对手落后半秒钟。 Elliott crossed the finish line just half a second behind his adversary.

[例句] 据说帐篷的缝合处快炸线了。 The camps are said to be bursting at the seams.

air line，air route，route，airway，course ；

[例句] 他还在为可采用的进近航线与指挥塔台争执不下。 He is still bickering with the control tower over admissible approach routes.

[例句] 机翼与航线成直角。 The wings were at right angles to the line of flight.

[物] ray，beam，half-line，radial ；

[例句] 只有精密的X射线仪器才能显示出来。 It will only register on sophisticated X-ray equipment.

[例句] 射线对于果蝇的遗传产生强烈的作用. Radiation has a strong effect on the heredity of fruit flies.

straight line，steep，sharp，beeline，[电影]La ligne droite；

[例句] 她的耳朵、肩膀和髋部呈一条直线。 Her ear, shoulder and hip are in a straight line.

[例句] 沿直线行进。 Walk in a straight line.

light，luminous beam，ray，ray of light，beam ；

[例句] 我注意到走廊尽头的一缕光线。 I noticed a chink of light at the end of the corridor.

[例句] 装在窗框上的厚厚的胶合板挡住了白天的光线。 Thick chipboard across the window frames blocked out the daylight.

[数] curve，bight，bought，profile ；

[例句] 这是否是原本良好的增长曲线中暂时的偏离？ Was it just a temporary blip on an otherwise healthy growth curve?

[例句] 图表1中的曲线表现了这一模式。 The kinked line in chart 1 represents this pattern.

antenna，aerial，antenna wire，air wire，antennae；

[例句] 调整天线的位置和方向以达到最佳接收效果。 Adjust the aerial's position and direction for the best reception.

[例句] 编码信号由碟形卫星天线接收。 The coded signal is received by satellite dish aerials.

[电] circuit，line，[交] line，route，circuitry ；

[例句] 这家航空公司打算把他们的国际线路拍卖给以前的竞争对手。 The airline plans to auction its international routes to former competitors.

[例句] 电话线路不太好。苏珊，我待会儿再打给你好吗？ It's not a very good line. Shall we call you back Susan?

[电] coil，loop，turn，winding ；

[例句] 这是一对感应线圈. This is a double induction coil.

[例句] 烧穿的线圈应换新的. The burnt coil should be renewed.

[数] central line，median，centre line，halfway line，midline ；

[例句] 他在中线一记大脚将球从60码外送进球网的顶角。 From the kick-off he lofted the ball 60 yards into the top corner of the net.

[例句] 客队在上半场选择中线开球. The visiting team chose to kick off in the first half.

[美术] line，lines，figure ；

[例句] 这些肖像作品线条简单流畅，毫无繁琐之感。 The portraits are simple, uncluttered compositions.

[例句] 他欣赏夏克家具流畅的线条。 He admires the clean lines of Shaker furniture.

lineation，marking off，marking out，marking-on，score ；

[例句] 你可以在空白纸上划线以便写字. You can line blank paper for writing.

[例句] 这个方法以后就称为分离细菌的划线法. This became known as the streak method for isolating bacteria.

[物] infrared ray，infrared，ultrared rays ；

[例句] 红外线广泛应用于工业和医学科学. Infrared is widely used in industry and medical science.

[例句] 它对红光,红外线的光以外的其它光相对来说是不敏感的. It is relative insensitivity to other than red and infrared lights.

contour (line)，isoheight，isoline，isohypse (line) （地形图上标高相等的点连成的封闭曲线），contour line ；

[例句] 刚好在450英尺的等高线之下有3个缓坡。 There were three moderate climbs to just below the 450 feet contour.

[例句] 等高线是用等间距图解描述构造形态的. Contours are graphic expressions with uniform spacing depicting a structure's character.

spiral，spire，helix，helical ；

[例句] 用阿基米德螺线能成功地解决化圆为方的问题,方法很简单. A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.

[例句] 现在的密封槽型比较常用的是对数螺线槽. Now the commonly used seal groove is a logarithm spiral groove.

linear，thready，line font ；

[例句] 目前, 有两种最普通的拓扑结构,分别称为环形网和总线形网. Today, the two most common topologies are called ring and bus networks.

[例句] 目的探讨胃线形溃疡的 X 线诊断、临床意义、检查方法. Objective To explore the clinical significance and X - ray diagnosis of linear ulcer.

[数] para-curve，parabola，parabolic curve ；

[例句] 任一连续曲线可以借一系列很小的抛物线线段较精密地近似表示. Any continuous curve can be closely approximated by a series of small parabolic segments.

[例句] 在湿氧氧化中抛物线速率常数B比干氧氧化中的大得多. The parabolic rate constant B is substantially larger for wet oxidation than for dry.

[物] heat ray，hot line ；

[例句] 如果想了解更多信息，请拨打热线电话4143929。 If you'd like more information, ring the Hotline on 414 3929.

[例句] 若想获得预防犯罪方面的帮助，请拨打我们的24小时咨询热线。 For help on crime prevention, call our 24-hour advice line.

[电] wiring，arrangement of wire，conductor arrangement，connectingup ；

[例句] 电灯布线要安全稳妥。 Lamps should be safely wired.

[例句] 到处都受了潮，整栋楼需要重新布线。 There was damp everywhere and the entire building was in need of rewiring.

[电]wiring，work a telephone switchboard，connection ；

[例句] 变送器上壳连有热电偶烧毁保护接线. The transmitter is wired for up - scale thermocouple burn - out protection.

[例句] 图一表明多路传输接线系统的原理. Figure 1 illustrates the concept of a multiplex wiring system.