衰减 shuāijiǎn HSK7 to attenuate; attenuation Definitions Defs Origin Strokes Stroke Words Sentences Sents 衰 shuāi verbnoun to decline (bound form) to decay; to wane; to weaken; to become feeble减 減 jiǎn verb to reduce to lower or decrease; to cut down or diminish; to lighten
