Read Edit View history 退火 tuìhuǒ annealing Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 退火 · tuìhuǒ · annealing 2026/03/04 退火 tuìhuǒ annealing annealing (metallurgy) 这种钢材需要经过退火处理来降低硬度。 verb created sense Mar 4, 2026, 02:25 AM