直线的英文: straight line 参考例句: Linear interpolation 直线切削Draw a line perpendicular to a given line 作一直线与已知直线垂直Draw a straight line 划一条直线The final/finishing/home stretch 临近终点的直线跑道In line 成一直线,排成一行In line with 和...成直线,排成一行Light is propagated through space in a straight line. 光以直线经由空中传送。The straight-line method normally is used for amortizing intangible assets. 摊销无形资产通常用直线折旧法。A secant is defined as line passing through two points of the curve. 割线的定义是一条通过曲线上两点的直线。tThe lines ab and CE intersect at E ab与CE两直线相交于E点。straight是什么意思: adj. 直的;正直的;直率的;连续的`;整齐的 adv. 直接地;坦率地;立即;不断地 n. 直线 straight or on the rock 纯的或加冰块 make(sth)straight or level 使(某物)变直或变平 Straight trees have crooked roots 直树也有曲根You cannot be lost on a straight road 走直路,不迷途These trees are noted for their straightness and hardness. 这些树的特点是树干挺直,木质坚硬。line是什么意思: n. 线条,界线,路线;条纹;排;铁路线;生产线;台词;态度;防线;前线 v. 用线标出,划线于;使布满纹络;加衬里于;排队,排列成行 This is a lined trunk. 这是一个有衬里的箱子。 They are politically in line. 他们在政治上意见一致。On a map there are horizontal lines and vertical lines. 在地图上有水平的线和垂直的线。To inscribe(a line or lines)with a pencil or other marking implement. 画用铅笔或其它做标记的器具刻线The new proposal is in line with our general line. 新建议和我们总的原则是一致的。