noun🔗Share不明瞭化, 隠蔽The state of being obscured."The sudden obscuration of the sun by dark clouds made the afternoon feel like evening. "暗い雲による太陽の突然の不明瞭化は、午後を夕方のよう感じさせた。appearanceconditionnatureChat with AIVocabulary GamePractice Reading
noun🔗Share遮断A unit of measurement used in particular for smoke detectors which respond to absorption of light by smoke, in percent absorption per unit length, e.g. % obs/ft, % obs/m."The fire alarm triggered when the smoke reached 4% obscuration per foot, indicating a significant amount of smoke blocking the light beam within the detector. "煙が1フィートあたり4％の遮断に達したとき、火災報知器が作動し、検出器内の光線を遮る大量の煙を示しました。technicalphysicsunitsciencedeviceChat with AIVocabulary GamePractice Reading
