Word: 光缆 (guānglǎn) Traditional: 光纜 光缆 dictionary entry guānglǎn optical cable Full dictionary entry for 光缆 Example sentences using 光缆 2 sentences, showing page 1 of 1. 光缆比旧电线传得更快。 Guānglǎn bǐ jiù diànxiàn chuán de gèng kuài. Optical cables transmit faster than old wires. 施工时挖断了一条光缆。 Shīgōng shí wā duànle yìtiáo guānglǎn. An optical cable was dug through during construction.