光导纤维 Traditional 光導纖維 guāng dǎo xiān wéi 🔊 optical fiber + Keep this word Meanings guāng dǎo xiān wéi 光導纖維 optical fiber Its characters 光guānglight; ray (CL:道[dao4])HSK 4导dǎoto transmit纤xiānfine维wéito preserve