Read Edit View history 积垢 jīgòu accumulated grime Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 积垢/積垢 · jīgòu · accumulated grime 2026/03/04 积垢 / 積垢 jīgòu accumulated grime deeply accumulated filth 这种强力洗涤剂可以轻松去除水管内的积垢。 created sense Mar 4, 2026, 02:25 AM