| 单词 | orbit |
| 释义 | orbit (once / 667 pages) 1nv 2n 3n 4n To orbit is to follow a circular or elliptical path around a central body. Usually a planet, moon or satellite is described as orbiting, but a child who has too much sugar can sometimes orbit around his parents in an annoying fashion. Orbit comes from the Latin orbita, “course,” or “track.” The verb orbit is the act of revolving around another object, usually on a circular or elliptical course. Many planets, moons, stars, meteors spacecraft and other objects in outer space orbit around each other. Electrons also orbit around the nucleus of an atom. The noun orbit is the path the object in orbit takes: "The Earth’s orbit around the Sun takes one year to complete." WORD FAMILYorbit: orbital, orbited, orbiter, orbiting, orbits+/orbital: suborbital/orbiter: orbiters USAGE EXAMPLESMany galaxies of stars form spirals, where relatively few stars in the outer arms orbit around a dense mass of stars at the centre. The Guardian(Jan 01, 2017) Stars at a galaxy’s edge orbit almost as fast as those near its centre. The Guardian(Dec 31, 2016) Glenn was the first American astronaut to orbit Earth and later became a U.S. senator. Seattle Times(Dec 31, 2016) 1 1n the (usually elliptical) path described by one celestial body in its revolution about another he plotted the orbit of the moon Syn|Hypo|Hyper celestial orbit geosynchronous orbit a circular orbit around the Earth having a period of 24 hours geostationary orbita geosynchronous orbit that is fixed with respect to a position on the Earth itinerary, path, route an established line of travel or access 2n the path of an electron around the nucleus of an atom Syn|Hyper electron orbit itinerary, path, route an established line of travel or access 3v move in an orbit 2The moon orbits around the Earth The planets are orbiting the sun electrons orbit the nucleus Syn|Hypo|Hyper orb, revolve retrograde move backward in an orbit, of celestial bodies circle, circulate move in circles n a particular environment or walk of life 3he's out of my orbit Syn|Hypo|Hyper area, arena, domain, field, sphere distaff the sphere of work by women fronta sphere of activity involving effort kingdom, land, realma domain in which something is dominant lapan area of control or responsibility political arena, political spherea sphere of intense political activity preservea domain that seems to be specially reserved for someone province, responsibilitythe proper sphere or extent of your activities lotus land, lotuslandan idyllic realm of contentment and self-indulgence lap of the godsbeyond human control or responsibility ecclesiastical provincethe district within the jurisdiction of an archbishop or a metropolitan or one of the territorial divisions of an ecclesiastical order environment the totality of surrounding conditions n the bony cavity in the skull containing the eyeball 4Syn|Hyper cranial orbit, eye socket, orbital cavity bodily cavity, cavity, cavum (anatomy) a natural hollow or sinus within the body n an area in which something acts or operates or has power or control: "the range of a supersonic jet" in the political orbit of a world power Syn|Hypo|Hyper ambit, compass, range, reach, scope approximate range, ballpark near to the scope or range of something confinesa bounded scope contrastthe range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness) internationalism, internationalityquality of being international in scope latitudescope for freedom of e.g. action or thought; freedom from restriction horizon, purview, viewthe range of interest or activity that can be anticipated expanse, sweepa wide scope gamuta complete extent or range: "a face that expressed a gamut of emotions" spectruma broad range of related objects or values or qualities or ideas or activities palette, palletthe range of colour characteristic of a particular artist or painting or school of art extent the distance or area or volume over which something extends |
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