| 单词 | 轨道 |
| 释义 | 〔suborbital〕Having or following a trajectory of less than one orbit. Used of a rocket or spacecraft.（卫星、火箭、航天器）不满轨道一圈的，亚轨道的〔sidetrack〕To switch from a main railroad track to a siding.转轨：从一主轨道转到一岔线上〔polar〕a polar orbit.越过极地的轨道〔shuttle〕shuttle a scientific payload to an orbiting space station.用航天飞机将科学装备送往轨道空间站〔orbit〕orbit a satellite.把一颗卫星送入轨道〔moon〕The moon as it appears at a particular time in its cycle of phases:朔望月：月亮在某一特定时间就会在天体运转轨道相应位置出现：〔epicycle〕In Ptolemaic cosmology, a small circle, the center of which moves on the circumference of a larger circle at whose center is Earth and the circumference of which describes the orbit of one of the planets around Earth.本轮：在托勒密宇宙论中的一个小的圆周，其中心在以地球为中心的一个更大的圆周上运动，其轨迹为环绕地球运行的行星的轨道〔skid〕A plank, log, or timber, usually one of a pair, used as a support or as a track for sliding or rolling heavy objects.滑动垫木：用来在滑动或滚动重物时做支持物或轨道的木板、圆木或木材，通常是一对中的一个〔orb〕Middle English orbe [orbit] 中古英语 orbe [环状轨道] 〔retrograde〕Of or relating to the orbital revolution or axial rotation of a planetary or other celestial body that moves clockwise from east to west, in the direction opposite to most celestial bodies.逆行的：行星或其它天体沿轨道旋转或绕轴旋转的，该天体顺着与大多数天体相反的方向由东向西顺时针运动〔gantlet〕A section of double railroad tracks formed by the temporary convergence of two parallel tracks in such a way that each set remains independent while traversing the same ground, affording passage at a narrow place without need of switching.套式铁轨：一段铁路轨道，其中两股道由于两条平行轨道暂时会聚而重叠，并使得每一股轨道都各有一根钢轨位于另一股轨道的两根钢轨之间，使得在狭窄的地方不需要换轨〔Glenn〕American astronaut and politician. On February 20, 1962, aboardFriendship 7, he became the first American to orbit the earth. He was elected U.S. senator from Ohio in 1974, 1980, and 1986. 格伦，小约翰·赫歇尔：(生于 1921) 美国宇航员、政治家。在1962年2月20日乘友谊7号 航天飞船进行轨道飞行，成为第一个绕地球轨道飞行的美国人。他先后于1974年、1980年和1986年当选为俄亥俄州的参议员 〔Icarus〕An asteroid with an eccentric orbit approaching within 30 million kilometers (19 million miles) of the sun.伊卡鲁斯：一个具有离心轨道的小行星，它在离太阳三千万公里（一千九百万英里）的范围内接近太阳〔comet〕A celestial body, observed only in that part of its orbit that is relatively close to the sun, having a head consisting of a solid nucleus surrounded by a nebulous coma up to 2.4 million kilometers (1.5 million miles) in diameter and an elongated, curved vapor tail arising from the coma when sufficiently close to the sun. Comets are thought to consist chiefly of ammonia, methane, carbon dioxide, and water.彗星：一种天体，仅能在它比较接近于太阳的那一部分轨道才能看到，有一个包括固体核、由直径达到两千四百万公里（一千五百万英里）的星云状的彗发围绕的头部 ，当足够接近太阳时一个拉长的曲线气尾从彗发升起。人们认为彗星主要有氨、甲烷、二氧化碳和水构成〔orbit〕To move in an orbit.沿某一轨道运转〔Ceres〕The largest asteroid and the first to be discovered, having an orbit between Mars and Saturn.谷神星：最早被发现的最大的小行星，其轨道在火星和土星之间〔inject〕To place into an orbit, a trajectory, or a stream.置于：放入一个轨道、弹道或潮流中〔straightaway〕A straight course, stretch, or track.直路：笔直的路径或轨道〔killersat〕An artificial satellite intended to destroy enemy satellites, especially one that contains explosives to be detonated when the satellite is maneuvered into the target's orbit. Also called killer satellite 作战卫星：一种为了摧毁敌人卫星的人造卫星，尤指装有炸药，当卫星移动进入目标的轨道时爆炸的人造卫星 也作 killer satellite〔orbiter〕Something that orbits, especially a spacecraft that orbits a planet or moon without landing on it.轨道飞行器：循轨道飞行的物体，尤指循一行星或月球运行而不在其上着陆的宇宙飞船〔track〕A path along which something moves; a course:轨道：某物沿着运动的道路；肮道：〔subshell〕One or more orbitals in the electron shell of an atom.（原子）支壳层：原子之电子层中之一个或多个轨道〔gantry〕A mount for a traveling crane consisting of a large archlike or bridgelike frame designed to move along a set of tracks.托台：由大的拱形或桥形架组成的供移动升降架的框架，设计为沿着一系列轨道移动〔orbital〕Of or relating to an orbit.轨道的：属于轨道的或与轨道有关的〔synchrotron〕An accelerator in which charged particles are accelerated around a fixed circular path by an electric field and held to the path by an increasing magnetic field.同步加速器：一种使带电的粒子沿某电磁场周围的固定圆形轨道加速运转并加强该磁场强度的加速器〔monorail〕A single rail serving as a track for wheeled vehicles traveling on it or suspended from it.单轨：使带轮交通工具在上面行进或暂停的单一轨道〔revolution〕A single complete cycle of such orbital or axial motion.旋转：这样的沿轨道或绕轴运动的单个完整一周〔supergun〕An extremely large, cannonlike gun designed to shoot projectiles over long distances or to launch satellites and spacecraft into orbit without a propulsion or guidance system, as is needed with a missile.巨型炮：似火炮的超大型大炮，用来发射远程火箭，或者将卫星和宇宙飞船送入天体轨道，无需发射导弹所必需的推进或导航系统〔observe〕observe the orbit of the moon.观测月球的轨道〔path〕The route or course along which something travels or moves:路线，轨道：某物通过或移动的道路或路线：〔trolley〕A wheeled carriage, cage, or basket that is suspended from and travels on an overhead track.空中吊运车，缆车：一种带轮的车箱、笼子或篮子，从空中轨道上垂下，并且空中轨道运行〔node〕Either of two diametrically opposite points at which the orbit of a planet intersects the ecliptic.交点：行星的轨道与黄道相交的完全相对的两点中任何一点〔planetary〕Of, relating to, or resembling the physical or orbital characteristics of a planet or the planets.行星的：属于、关于或类似于一个行星或多颗行星的物理或轨道特性的〔moon〕The natural satellite of Earth, visible by reflection of sunlight and having a slightly elliptical orbit, approximately 356,000 kilometers (221,600 miles) distant at perigee and 406,997 kilometers (252,950 miles) at apogee. Its mean diameter is 3,475 kilometers (2,160 miles), its mass approximately one eightieth that of Earth, and its average period of revolution around Earth 29 days 12 hours 44 minutes calculated with respect to the sun.月亮，月球：地球的天然卫星，通过反射太阳光而发光，并有一个略呈椭圆形的轨道，在近地点时，距离约有356,000公里(221,600英里），在远地点距离约有406,997公里(252,950英里）。它的平均直径为3,475公里(2,160英里），它的质量约为地球的八十分之一，参照太阳，它围绕地球旋转的平均周期为29天12小时44分钟〔microgravity〕An environment in which there is very little net gravitational force, as of a free-falling object, an orbit, or interstellar space.微重力：对于自由落体、轨道、或是星球间空间有着非常微弱净重力的环境〔aberrant〕Deviating from the proper or expected course.越轨的，脱轨的：偏离常规或预定轨道的〔runway〕A path, channel, or track over which something runs.走道：某物能走过的道路、渠道或轨道〔shell〕Any of the set of hypothetical spherical surfaces centered on the nucleus of an atom that contain the orbitals of electrons having the same principal quantum number.电子壳层：一围绕原子柱并包含有相同主量子数的电子轨道内的一个假定球形表面〔switchback〕A road, trail, or railroad track that ascends a steep incline in a zigzag course.之字爬坡路线：呈之字形沿着陡峭的坡上升的道路、轨道或铁道〔switch〕To move (rolling stock) from one track to another; shunt.转辙：把（滚动的设备）从一个轨道移到另一个；转轨 |
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