Read Edit View history 氢氟酸 qīngfúsuān hydrofluoric acid Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 氢氟酸/氫氟酸 · qīngfúsuān · hydrofluoric acid 2026/03/04 氢氟酸 / 氫氟酸 qīngfúsuān hydrofluoric acid hydrofluoric acid HF 氢氟酸具有极强的腐蚀性，必须小心处理。 noun created sense Mar 4, 2026, 02:25 AM