Read Edit View history 波谷 bōgǔ trough Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 波谷 · bōgǔ · trough 2026/03/04 波谷 bōgǔ trough the lowest point of a wave; a trough 波浪在波峰和波谷之间不断起伏。 noun created sense Mar 4, 2026, 02:25 AM