Read Edit View history 纤芯 xiānxīn fiber core Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 纤芯/纖芯 · xiānxīn · fiber core 2026/03/04 纤芯 / 纖芯 xiānxīn fiber core core (of an optical fiber) 光纤的纤芯通常由高纯度玻璃制成。 noun created sense Mar 4, 2026, 02:25 AM