Read Edit View history 三氟化硼 sānfúhuàpéng boron trifluoride Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 三氟化硼 · sānfúhuàpéng · boron trifluoride 2026/03/04 三氟化硼 sānfúhuàpéng boron trifluoride boron trifluoride 三氟化硼是一种常用的路易斯酸催化剂。 noun created sense Mar 4, 2026, 02:25 AM