noun🔗Share水垢，石灰垢。 A white, chalky deposit of calcium carbonate found in kettles, washing machines etc., especially in a hard water area."The electric kettle stopped working because thick limescale had built up inside. "因为电热水壶内部积了厚厚的一层水垢，所以它坏了，不能用了。substancematerialchemistryutilityChat with AIVocabulary GamePractice Reading
