| 单词 | gravitational |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Cassini division〕The large gap between the two most prominent of Saturn's rings, caused by the gravitational pull of the moon Mimas.卡西尼环缝：在两条最显著的土星环间的巨大缝隙，由于土卫一米马斯的引力牵引所造成美国传统〔Schwarzschild radius〕The radius of a collapsing celestial object at which gravitational forces exceed the ability of matter and energy to escape, resulting in a black hole.史瓦西半径：收缩中星体的半径，在此半径下，重力超过物质和能量逃逸的能力，从而形成了黑洞美国传统〔accretion disk〕A disk of interstellar material surrounding a celestial object with an intense gravitational field, such as a black hole.碟形吸积体：天体周围有强大吸引力场的圆盘形星际物质，如黑洞美国传统〔antigravity〕The hypothetical effect of reducing or canceling a gravitational field.反重力，反引力：一种假想的能够减弱或消除地球引力的力美国传统〔attraction〕All matter exerts a gravitational attraction.所有的物质都有引力。牛津搭配〔attract〕The gravitational pull of the earth attracts objects to it.地球的引力使得它能吸引物体。外研社新世纪〔black hole〕An extremely small region of space-time with a gravitational field so intense that nothing can escape, not even light.黑洞：时空领域中一极小的范围，其引力足以捕捉任何物体（包括光），使其难以逃脱美国传统〔celestial mechanics〕The science of the motion of celestial bodies under the influence of gravitational forces.天体力学：研究在万有引力的影响下天体运动的科学美国传统〔closed universe〕A model of the universe in which there is sufficient matter, and thus gravitational force, to halt the expansion initiated by the big bang.封闭宇宙：拥有足够物质的宇宙模型，因此其引力可停止宇宙大爆炸所引起的膨胀美国传统〔deep space〕The regions beyond the gravitational influence of Earth encompassing interplanetary, interstellar, and intergalactic space.太空：超出地球引力影响力的区域，包括行星际空间，星际空间以及星系际空间美国传统〔diageotropism〕The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force.横生，横向地性：生长部分在地心引力的作用下倾向于适当角度，如植物的根美国传统〔escape velocity〕The minimum velocity that a body must attain to overcome the gravitational attraction of another body, such as the earth.逃逸速度，脱离速度：一个物体为了摆脱另一物体万有引力的作用而必须具有的速度，例如地球的第二宇宙速度美国传统〔free fall〕The ideal falling motion of a body that is subject only to the earth's gravitational field.自由下降：只有在地球的重力场中才能实现的物体理想的下降运动美国传统〔gravimeter〕An instrument used to measure variations in a gravitational field.重差计：用于测量重力场中变化的仪器美国传统〔gravimetric〕Of or relating to measurement of variations in a gravitational field.重差计的：属于或关于测量重力场中变化的美国传统〔gravisphere〕The spherical region of space dominated by the gravitational field of a celestial body.引力层：一个天体引力场所支配的球状空间区域美国传统〔gravitational〕If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.如果航天器飞行速度大于每秒11千米, 就能逃逸地球的引力。外研社新世纪〔gravitational〕If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.如果飞行速度超过每秒11公里，宇宙飞船将摆脱地球的引力。柯林斯高阶〔gravity assist〕The use of the energy obtained from a gravitational field to change the speed or shape of a spacecraft's orbit.重力协航：利用来自于万有引力场的能量以改变宇宙飞船运行轨道的速度或形状美国传统〔mascon〕A mare on the moon having rock of greater density than that of the surrounding area, thus exerting a slightly higher gravitational force.质量密集：月球上的阴暗部，其内部岩石比周围地区的岩石的密度大，因此产生略大些的引力美国传统〔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美国传统〔multiple star〕A group of three or more stars, usually with a common gravitational center, that appear as one to the unaided eye.聚星：看上去象是一颗星的由三个或更多颗星组成的星群，通常具有一个共同的重力中心美国传统〔only〕Dark matter gives out no light and is detectable only because of its gravitational effect on visible matter.暗物质不发光，它之所以能被发现，只是因为它对可见物质产生引力作用。柯林斯高阶〔open universe〕A model of the universe in which there is insufficient matter, and thus insufficient gravitational force, to halt the expansion initiated by the big bang.开放宇宙：宇宙学模型之一，认为因没有足够的物质，所以无法产生足够的重力来停止因大霹雳所起始的宇宙膨胀现象美国传统〔planetesimal hypothesis〕The hypothesis that the planets and satellites of the solar system were formed by gravitational aggregation of planetesimals.星子假说：认为太阳系的行星和卫星是由星子靠万有引力集聚而形成的假说美国传统〔pull〕The Moon exerts a gravitational pull on the Earth, creating tides.月球对地球有引力，从而产生了潮汐。牛津搭配〔pull〕The greater the mass of an object, the greater its gravitational pull.物体的质量越大重力也就越大。剑桥高阶〔pull〕The planet has a strong gravitational pull.这颗行星有很强的引力。韦氏高阶〔shepherd satellite〕A moon that orbits near the edge of a planetary ring, constraining the ring's extent through gravitational pull.守护卫星，牧人星：在行星环边缘运行的卫星，藉重力作用来限制光环的大小美国传统〔strength〕Its oscillation depends on the strength of the gravitational field.它的振动幅度取决于引力场的强度。外研社新世纪〔strength〕Its oscillation depends on the strength of the gravitational field.它的振动幅度取决于引力场的强度。柯林斯高阶〔strongly〕A neutron star has a gravitational field strong enough to generate X-rays.中子星上存在强大的重力场，足以产生X射线。柯林斯高阶〔strong〕A neutron star has a gravitational field strong enough to generate X-rays.中子星上存在强大的重力场, 足以产生X射线。外研社新世纪〔supersymmetry〕A hypothetical symmetry that relates fermions to bosons and gravitational force to forces that operate on the subatomic level.超对称性：将费密子与玻子相联系以及将万有引力与亚原子作用的力相联系的假想对称性美国传统〔tide〕The periodic variation in the surface level of the oceans and of bays, gulfs, inlets, and estuaries, caused by gravitational attraction of the moon and sun.潮，潮汐：由月球和太阳的重力吸引造成的海洋、海湾、水湾及河口等处水面高度的周期性变化美国传统〔tilt-table〕An examining table that can be tilted to a nearly upright position for assessment of a patient's circulatory response to gravitational change.（医用）倾斜床：可以使其倾斜近乎到直立位置的医疗测试用桌子，用以评估病患的循环系统对于重力改变的反应美国传统〔zero gravity〕The condition of apparent weightlessness occurring when the centrifugal force on a body exactly counterbalances the gravitational attraction on it.失重状态：当作用在物体上的离心力与万有引力相抵消时出现的明显失重状态美国传统The greater the mass of an object, the greater its gravitational pull.一个物体质量越大，引力越大。剑桥国际The spacecraft was re-entering the Earth's gravitational field.宇宙飞船重返地球的重力场。剑桥国际 |
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