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- AB是一条垂直CD的线。 AB is a line perpendicular to CD .
- 从波动观点来看,一条光线是一条假想的、按波行进方向画出的线。 From the wave viewpoint, a ray is an imaginary line drawn in the direction in which the wave is traveling.
- 这种只谈你的儿时的话题对我来说是一堆废话。我的童年时代可没有给我留下美好的回忆。 All this talk of the happiest days of your life is bunkum to me. I have no happy memories of my childhood.
- 从波动观点来看，一条光线是一条假想的、按波行进方向画出的线。 From the wave viewpoint, a ray is an imaginary line drawn in the direction in which the wave is traveling.
- 球门区在场地的两端，规定如下：从距每个球门柱内侧5.5米（6码）处，画两条垂直于球门线的线。 Two lines are drawn at right angles to the goal line, 5.5 m (6 yds) from the inside of each goalpost.
- "可是对你来说这是一桩大事啊。" "什么大事不大事的！我担心什么？" "But it's a serious matter for you." "Serious my foot, why should I worry?"
- 赤道是一条实际上并不存在的线。 The equator is an imaginary line.
- 改善的路是一条直路；但是未经改善的弯路乃是天才之路。 Improvement make straight roads; but the crooked road without improvement is the road of genius.
- 用曳绳钓（鱼）在一条缓慢移动的船后面拖曳一根放了诱饵的线来钓（鱼） To fish for by trailing a baited line from behind a slowly moving boat.
- 这是一条放之四海而皆准的普遍真理。 It is universal truth that holds true for the whole world.
- 在一个入射点一条反射线与垂直于表面的线之间的夹角。 the angle between a reflected ray and a line perpendicular to the reflecting surface at the point of incidence.
- 是一种技术,它设置有倾斜角度的线的像素亮度,以使线看起来更平滑。 Is a technique to set the brightness of pixels for an angled line to make the line appear smoother.
- 这船是一条大油船，里面装满了石油。 The ship was a large tanker which was full of oil.
- 那不行。那是一条通往人家农场的小路。 That's no use. That's a path to someone's farm.
- 在一个入射点一条折射线与垂直于表面的线之间的夹角。 the angle between a refracted ray and a line perpendicular to the surface between the two media at the point of refraction.
- 他在一条装配线上工作或他是一名装配线上的工人。 He works on an assembly line or he is an assembly line worker.
- 恒温线；等温线气象地图或图表上所画的一条连结同温或恒温各点的线 A line drawn on a weather map or chart linking all points of equal or constant temperature.
- 现在这已经是一条很好的马，两边种了树，盖了高楼。 It is now a fine road lined with trees and tall buildings.
- 在一个入射点一条反射线与垂直于表面的线之间的夹角 the angle between a reflected ray and a line perpendicular to the reflecting surface at the point of incidence
- 这是一条像所有弯曲山路那样的盘旋的路。 This is the road winding about in the perambulating style of all mountain roads.
