| 单词 | cloud |
| 释义 | cloud (once / 59 pages) 1nv 2n 3nv A cloud is a clump of water vapor that you can see in the sky. Clouds are sometimes white and puffy, and other times so big and gray that they completely block the sun. Clouds form when air rises and cools and the moisture in it condenses into a visible form. Any similar billowy mass is also a cloud, like a cloud of smoke over your campfire or a cloud of dust after your car peels out of the driveway. If you're gloomy or morose, someone might say there's a cloud over you — a figurative cloud of sadness. On the other hand, if you're "on cloud nine," you couldn't be happier. WORD FAMILYcloud: clouded, clouding, cloudless, cloudlike, clouds, cloudy, overcloud+/clouded: unclouded/clouding: cloudings/cloudless: cloudlessly, cloudlessness/cloudy: cloudier, cloudiest, cloudily, cloudiness/overcloud: overclouded, overclouding, overclouds/unclouded: uncloudedly, uncloudedness USAGE EXAMPLESPersonal bias clouds our perceptions so profoundly that employee performance ratings often reveal more about the person conducting them than the person being rated. Salon(Jan 02, 2017) During a journaling activity with volunteers from the St. Cloud Times, Sarah colored pictures about herself and her life. Washington Times(Jan 02, 2017) They threw rocks, toppled streetlights, dodged clouds of tear gas and tipped over a television truck. Los Angeles Times(Jan 01, 2017) 1 1n a visible mass of water or ice particles suspended at a considerable altitude Hypo|Hyper cirrocumulus, cirrocumulus cloud a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples cirrostratus, cirrostratus clouda thin uniform layer of hazy cloud at high altitude cirrus, cirrus clouda wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles) cloud banka layer of clouds seen from a distance condensation trail, contrailan artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust cumulonimbus, cumulonimbus cloud, thunderclouda dark cloud of great vertical extent charged with electricity; associated with thunderstorms cumulus, cumulus clouda globular cloud mother-of-pearl cloud, nacreous clouda luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon nebulea small cloud nimbus, nimbus cloud, rain clouda dark grey cloud bearing rain storm clouda heavy dark cloud presaging rain or a storm stratus, stratus clouda large dark low cloud altocumulus, altocumulus clouda cumulus cloud at an intermediate altitude of 2 or 3 miles altostratus, altostratus clouda stratus cloud at an intermediate altitude of 2 or 3 miles mare's taila long narrow flowing cirrus cloud thunderheada rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm atmospheric phenomenon a physical phenomenon associated with the atmosphere 2n any collection of particles (e.g., smoke or dust) or gases that is visible Hypo|Hyper coma (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed nebulaan immense cloud of gas (mainly hydrogen) and dust in interstellar space aerosola cloud of solid or liquid particles in a gas cosmic dustclouds of particles or gases occurring throughout interstellar space dust clouda cloud of dust suspended in the air mushroom, mushroom cloud, mushroom-shaped clouda large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb) diffuse nebula, gaseous nebulaa cluster of stars within an intricate cloud of gas and dust planetary nebulaa nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star fogdroplets of water vapor suspended in the air near the ground hazeatmospheric moisture or dust or smoke that causes reduced visibility fume, smokea cloud of fine particles suspended in a gas physical phenomenon a natural phenomenon involving the physical properties of matter and energy 3n a group of many things in the air or on the ground clouds of blossoms it discharged a cloud of spores Syn|Hypo|Hyper swarm infestation, plague a swarm of insects that attack plants group, grouping any number of entities (members) considered as a unit 4v make overcast or cloudy Syn|Ant|Hypo|Hyper overcast brighten, clear, clear up, light up become clear fog up get foggy hazebecome hazy, dull, or cloudy darken make dark or darker 5v make milky or dull The chemical clouded the liquid to which it was added Hyper dull make less lively or vigorous 6v billow up in the form of a cloud The smoke clouded above the houses Hyper billow, wallow rise up as if in waves 7v make less visible or unclear The stars are obscured by the clouds Syn|Hypo|Hyper becloud, befog, fog, haze over, mist, obnubilate, obscure overshadow cast a shadow upon eclipse, occultcause an eclipse of (a celestial body) by intervention conceal, hide prevent from being seen or discovered 8v make less clear the stroke clouded memories of her youth Hyper alter, change, modify cause to change; make different; cause a transformation 9v color with streaks or blotches of different shades 2Syn|Hypo|Hyper dapple, mottle harlequin variegate with spots or marks speckle, stippleproduce a mottled effect spot mark with a spot or spots so as to allow easy recognition n out of touch with reality 3his head was in the clouds Hyper irreality, unreality the state of being insubstantial or imaginary; not existing objectively or in fact 1n a cause of worry or gloom or trouble the only cloud on the horizon was the possibility of dissent by the French Hyper gloom, gloominess, glumness an atmosphere of depression and melancholy 2n suspicion affecting your reputation after that mistake he was under a cloud Hyper suspicion the state of being suspected 3v make gloomy or depressed Their faces were clouded with sadness Hyper affect, impress, move, strike have an emotional or cognitive impact upon 4v place under suspicion or cast doubt upon Syn|Hyper corrupt, defile, sully, taint deflower, impair, mar, spoil, vitiate make imperfect |
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