| 单词 | observable |
| 释义 | observable (once / 2639 pages) adj Something observable can be perceived or detected — you can see it, hear it, or otherwise sense that it's there. An observable change in the temperature outdoors will make you run back in for your hat and gloves. If an observable hush falls over the dining room when your grandfather clears his throat, it's something that everyone notices. Observable differences between you and your twin sister might include different haircuts and the fact that you wear glasses but she doesn't. Observable things can be sensed (perceived with one of your five senses) or intuited. WORD FAMILYobservable: observably, unobservable+/observance: nonobservance, observances/observant: nonobservant, observantly, unobservant/observation: observational, observations/observational: observationally/observatory: observatories/observe: observable, observance, observant, observation, observatory, observed, observer, observes, observing/observed: unobserved/observer: observers/observing: observingly/unobservable: unobservably/unobservant: unobservantly/unobserved: unobservedly USAGE EXAMPLESDark matter is an unidentified type of matter comprising approximately 27% of the mass and energy in the observable universe. BBC(Dec 26, 2016) We now ascertain that the observable universe exceeds 90 billion light-years across. New York Times(Dec 26, 2016) Due to the lack of observable insignia, Centcom would not say definitively that it had killed Syrian soldiers. The Guardian(Nov 29, 2016) adj capable of being seen or noticed an observable change in behavior Syn discernible, evident noticeable capable or worthy of being perceived |
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