高低潮 gāodīcháo high and low tide Origin Definitions Defs Strokes Stroke Words Sentences Sents 高 gāo adjective high high; tall; above average in height, level, or degree低 dī adjective low close to the ground or bottom; of short height潮 cháo nounverb tide The periodic rising and falling of sea levels caused by the gravitational forces of the moon and sun